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**For questions 9-13, **the duration of time from first exposure to HIV infection to AIDS diagnosis is called the incubation period. The incubation period of a random sample of 9 people living with HIV is given below (in years):

12.0 9.5 13.5 7.2 10.5 6.3 12.5 4.3 6.9

Select your answers from the following list:

a. 9.5

b. 29.0

c. 9.2

d. 843.7

e. 3.18

f. 1768.0

g. 27.4

h. 32.3

i. 196.4

**Q 9**

**Question 9**

**Calculate the mean (0.5 points)**

**Select one:**

**a. 9.5**

**b. 29.0**

**c. 9.2**

**d. 843.7**

**e. 3.18**

**f. 1768.0**

**g. 27.4**

**h. 32.3**

**i. 196.4**

**Q 10**

**Question 10**

**Calculate the standard deviation (1 point)**

**Select one:**

**a. 9.5**

**b. 29.0**

**c. 9.2**

**d. 843.7**

**e. 3.18**

**f. 1768.0**

**g. 27.4**

**h. 32.3**

**i. 196.4**

**Q 11**

**Question 11**

**Calculate the median (0.5 points)**

**Select one:**

**a. 9.5**

**b. 29.0**

**c. 9.2**

**d. 843.7**

**e. 3.18**

**f. 1768.0**

**g. 27.4**

**h. 32.3**

**i. 196.4**

**Q 12**

**Question 12**

**If the observation "6.3" above was changed to "1.5", what would have to the sample mean? (0.5 points)**

**Select one:**

**a. Increase**

**b. Decrease**

**c. Remains the same**

**Q 13**

**Question 13**

**If the observation "6.3" above was changed to "1.5", what would have to the sample median? (0.5 points)**

**Select one:**

**a. Increase**

**b. Decrease**

**c. Remains the same**

**Q 14**

**Question 14**

**If the observation "6.3" above was changed to "1.5", what would have to the sample deviation? (0.5 points)**

**Select one:**

**a. Increase**

**b. Decrease**

**c. Remains the same**

Solved by verified expert

Answered by angelatanju on coursehero.com

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