Questions & AnswersStatistics and Probability

Case Study 5: Descriptive Statistics about Bicycle Commuting   Use...

Question
Answered step-by-step
Asked by DoctorSnakeMaster2355 on coursehero.com

# Case Study 5: Descriptive Statistics about Bicycle Commuting   Use...

Case Study 5: Descriptive Statistics about Bicycle Commuting

Use Item 1: Number of People Who Bike to Work in Select States (given on the last page of this document) to answer the following questions and prompts.

1. Use your calculator to calculate the following measures of central tendency for this data set (1/2 point each).

a. Mean (round to the tenths place):

b. Median:

2. Which measure of central tendency (above) is more representative of this data set? Explain (2 points).

3. Use your calculator to calculate the 5-number summary for this data set (1/2 point each).

a. Minimum:

b. Lower quartile (Q1):

c. Median (from question 1):

d. Upper quartile (Q3):

e. Maximum:

4. Calculate the following measures of variability for this data set (1/2 point each).

a. Range (lowest to highest):

b. Interquartile range (IQR = Q3 minus Q1):

5. Which measure of variability (above) provides a better description of this data set? Explain (2 points).

6. make a box plot in the space below to represent the data set, making sure to label all its components (6 points). If you want to create one electronically, you can use this website: http://www.alcula.com/calculators/statistics/box-plot/ Enter the 10 values in the box separated by commas, then hit "submit data". You need to save the image to your device and then paste it here. It will not let you copy/paste directly (usually).

7. Assess the potential impact of an outlier in the data set by answering the questions and prompts below.

1. By just looking at Item 1: Number of People Who Bike to Work in Select States (given on the last page of this document), which state do you think might represent an outlier in this data set (1 point)?

1. For a value to be considered an outlier, it must be greater than (1.5*IQR) + Q3 or less than Q1 - (1.5*IQR). Use math to verify whether the state you identified above qualifies as an outlier for this data set (1/2 point).

1. Describe the impact of this outlier on the mean, median, and shape of the data distribution. In other words, how do these values change (if at all) when the outlier is left in or taken out (1 point)?

1. Why do you think the number of people who bike to work in the outlier state differs noticeably from that of the other states (1 point)?

1. List additional states not included in Item 1 that you suspect might also be high outliers in terms of the number of people who bike to work. Explain why you listed each state as a potential high outlier (1 point).

1. Which of all the U.S. states would you predict has the greatest number of people who commute by bicycle. Why (2 points)?

1. Based on the mathematical definition of an outlier, is it possible that a state not listed in Item 1 is a low outlier with respect to the number of people who bike to work? Explain your reasoning (2 points).

8. Assess the potential utility of outliers by answering the questions and prompts below.

1. How does the presence of an outlier in this particular data set help bring attention to significant factors (i.e., "lurking variables") that might influence the number of people who bike to work in a state? List one or two possible factors (i.e., "lurking variables") (2 points).

1. Do you think any of these significant factors could be identified if the outlier were not present? Explain your reasoning. In other words, if there was no outlier in the data, would we even think about these factors (1 point)?

1. Thinking beyond this data set, what general role might outliers play in developing an understanding of data sets (1 point)?

9. Are the states included in this data set the appropriate states to compare? Explain your reasoning (2 points).

10. Thinking about how the number of bike commuters was calculated in this data set, what impact might the sheer population of a state have on the number of its residents who bike to work? In other words, how might the number of people living in a state (its population) be related to the number who bike to work (2 points)?

11. How else could the number of people who bike to work be calculated to account for the impact of state population (think back to Chapter 9 for this response) (2 points)?

Item 1: Number of People Who Bike to Work in Select States

Source for data: U.S. Census Bureau, Means of Transportation to Work. 2011-2013 American Community Survey 3-Year Estimates.

## Answer & Explanation

Solved by verified expert
Answered by DoctorLightningSeahorse11 on coursehero.com

sectetur adipiscin

sectetur adipisc

sec

sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictumsectetur adipiscing elit. Nam lacinia pulvinar t

Unlock access to this and over
10,000 step-by-step explanations

Have an account? Log In

sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoree<p></p><p> </p><p>sect</p><p>sectetur adipisci<br/>sectetur adipiscing elit. Na<br/>sectetur adipiscing elit. Nam laci<br/>sectetur adipiscing elit. Nam<br/>sectetur adipiscin</p><p> </p><p>sectetur adipiscing<br/>sectetur adipiscing elit. Nam lacin</p><p> </p><p>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapi</p><p> </p><p>sectetur adipiscing e</p><p> </p><p>se</p><p>sectetur adipiscing elit. Nam la<strong>sectetu</strong>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, u</p><p> </p><p>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vi<strong>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ant</strong></p><p> </p><p>sec<strong>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congu</strong>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consecte</p><p> </p><p>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulv</p><p> </p><p>se<strong>sectetu</strong>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor n</p><p> </p><p>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laore<strong>sectetur adipiscing elit. Nam lac</strong>sectetur adipiscing elit. Nam lacinia pulvinar tortor ne</p><p> </p><p>sectetur<strong>sectetur</strong>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoree</p><p> </p><p>sect</p><p style="margin-left:0px;">sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac m<strong>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet,</strong></p><p style="margin-left:0px;"> </p><p style="margin-left:0px;">se<strong>sectetur adipis</strong>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar torto</p><p style="margin-left:0px;"> </p><p style="margin-left:0px;">sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis.</p><p style="margin-left:0px;"> </p><p style="margin-left:0px;">secte<strong>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur lao</strong>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus a</p><p style="margin-left:0px;"> </p><p style="margin-left:0px;">sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam ri<strong>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequa</strong>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices</p><p style="margin-left:0px;"> </p><p style="margin-left:0px;">sect<strong>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac m</strong>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur</p>

## Step-by-step explanation

sectetur
sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus
sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficit
sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesq

sectetur ad
sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesq
sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. P
sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapi

sectetur adipiscing elit. Nam lacinia
sectetur adipiscing elit. Nam lacinia pulvinar to

sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante

sectetur adipiscing elit. Nam lacinia pulvin

sect

sectetur adipisci
sectetur adipiscing elit. Na
sectetur adipiscing elit. Nam laci
sectetur adipiscing elit. Nam
sectetur adipiscin

sect

sectetur adipiscing elit. Nam lacinia pulvinar tortor
sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilis

sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapi

sect

sect

sectetur adipiscing elit. Nam lasectetusectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, u

sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisi

sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel la

sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulv

sesectetusectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor n

sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoresectetur adipiscing elit. Nam lacsectetur adipiscing elit. Nam lacinia pulvinar tortor ne

sectetursectetursectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoree

sect

sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac msectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet,

sesectetur adipissectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar torto

sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis.

sectesectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laosectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus a

sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequasectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices

sectsectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac msectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur

sectetur adipiscing elit. Nam lacinia pulvinar tortor

3 attachments
PNG
PNG
PNG

## Get unstuck with a CliffsNotes subscription

Unlock every step-by-step explanation, download literature note PDFs, plus more.