Statistics and Probability questions and answers in January 2022

Background data: Bates doesn't know if "half" is correct. He looked through his records, and found that of the most recent 150 guest visits at the motel, the shower curtain has been ripped and require...
Background data:  Arborgrass Consulting also recommended Bates consider a new line of organic shower curtains made from bamboo and hemp. Bates is intrigued, but he's worried whether he can afford it ...
Background data: The Arbograss report confirmed that water usage of guest showers was also normally distributed with a mean of 30 gallons and a standard deviation of 10 gallons.    Question: Suppose...
Background data: Norman Bates has just inherited $40,000.  Consultants identified guest showers as the most significant use of water. They calculated that the lengths of guest showers at the Bates Mo...
Background data: Norman Bates has just inherited $40,000.  Consultants identified guest showers as the most significant use of water. They calculated that the lengths of guest showers at the Bates Mo...
Background data: Norman Bates has just inherited $40,000.  Consultants identified guest showers as the most significant use of water. They calculated that the lengths of guest showers at the Bates Mo...
https://www.statcrunch.com/app/?dataurl=http://www.statcrunch.com/books/CQL/dataset/Fuel_Economy.txt&dlim=tab&ft=true   A federal government agency that is responsible for setting vehicle fue...
  A federal government agency that is responsible for setting vehicle fuel economy standards for automobile manufacturers is conducting research in order to update its fuel economy standards for the ...
Please show all work, thank you!  . Bell provides cable, phone, and internet services to customers, some of whom subscribe to packages consisting of multiple services. Suppose that in lIIl'ntario 2...
Scenario: What influences the likelihood of whether a person will assist a stranger? In this study, participants were shown four conditions and asked to provide the percent likelihood that they would ...
cenario: A therapist wanted to examine marital happiness in couples participating in therapy at her clinic. Couples were randomly assigned to participate in individual, couples, or group therapy. She ...
Scenario: A guidance counselor wanted to know if anxiety differs based on time (first day of class in relation to the last day of class), and if this differs based on year in school (as a freshman, so...
A researcher is interested in studying how screentime (the amount of time children watch TV or use electronics) influences children's social skills. She compares families who allow their 7 year old ch...
  Participants (N=12) in a study were randomly assigned to one of two types of therapy - either talk therapy or drug therapy (n = 6 per condition). Mood scores were analyzed at two time points for al...
G https://www-awu.aleks.com/alekscgi/x/Isl.exe/10_u-lgNslkr7j8P3jH-lv-6txjbonmDn7WsVrRAXK6XnHkiRvH2t180Ni_cWvzRqYNcmBZFHQeGb9cxmiBcub. Week 7 - ALEKS Assessment 2 Question 3 of 20 (5 points) | Questio...
Scenario: Does emotional intelligence vary based on the type of preschool a child attends? A researcher collects data on 300 four-year-olds who attend different local types of preschools. The research...
Scenario: An HR manager wants to know if there is a difference between sexes (males and females) on number of years employed at his firm. Assume the data meets assumptions for a parametric test. Quest...
 . Scenario: Is there a relationship between worker type (X) and productivity (Y)? The researcher defined worker type (X) as blue or white collar, and productivity (Y) as "high" or "lo...
Violent crimes include​ rape, robbery,​ assault, and homicide. The following is a summary of the​ violent-crime rate​ (violent crimes per​ 100,000 population) for all states of a country in ...
Scenario: Is there a relationship between number of hours studied (X) and final exam scores (Y)? Question: What is the most appropriate statistical test to conduct given this scenario? Group of answer...
Scenario: Suppose participants complete an experiment where ads are presented subliminally during a task (e.g., Pepsi ads are flashed at a very fast rate during movie ads). Participants are then given...
D Question 7 2 pts Scenario: A researcher wants to know whether a hard copy of a textbook provides additional benefits over an e-book. She conducts a study where participants are randomly assigned to ...
A researcher wants to know whether a hard copy of a textbook provides additional benefits over an e-book. She conducts a study where participants are randomly assigned to read a passage either on a pi...
    What happens when we change the dependent variable to wage2? Discuss why this changes. Discuss the difference between regressing wage3=b_educ3 compared to wage3=b_educ.. summarize error2 error3 ...
Can yo tell me what is wrong with these commands in Stata?   I'm supposed to get this graph below. logit stockyn educh fincome Cap drop y* predict y* TWOWAY SCATTER y^ educh if fincome==100000 | | SC...
Examine the average wage by education and gender table. Why is the average wage for females with 18 years of education higher than that of males with 18 years of education? Why does the average wage f...