Question: Open the data set aids.dta . The variable year is for calendar year, hivinf is for HIV infections in millions and aidscases is for AIDS

Open the data set aids.dta. The variable year is for calendar year, hivinf is for HIV infections in millions and aidscases is for AIDS diagnoses.

Datasheet link: https://docs.google.com/spreadsheets/d/1V9E5lz5K1gGjmAi0aW6PNrPOEKYTI4P7ZJsv5Te8WAI/edit?usp=sharing

Just want to verify if my answers are correct. Please use statistical software and show your work. Thank you.

A. What is the interquartile range for HIV infections? 17.95 million

B.Now look at AIDS cases. Provide a 99% confidence interval for the true mean of AIDS cases. Please show work for this with equations. Thanks.

(0.549, 6.228)

OR

(0.884, 5.892)

C.What is Pearson's correlation coefficient for the relationship between AIDS cases and HIV infections? 0.9931

D.What is Spearman's rank correlation coefficient for the relationship between AIDS cases and HIV infections? 0.9975

E.What is the p value for Spearman's rank correlation coefficient? p- value < 0.001

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