Question: 10.29 Study time A graduate teaching assistant for Introduction to Statistics (STA 2023) at the University of Florida collected data from students in one of

10.29 Study time A graduate teaching assistant for Introduction to Statistics (STA 2023) at the University of Florida collected data from students in one of her classes in spring 2007 to investigate whether study time per week

(average number of hours) differed between students in the class who planned to go to graduate school and those who did not. The data were as follows:

Graduate school: 15, 7, 15, 10, 5, 5, 2, 3, 12, 16, 15, 37, 8, 14, 10, 18, 3, 25, 15, 5, 5 No graduate school: 6, 8, 15, 6, 5, 14, 10, 10, 12, 5 Using software or a calculator,

a. Find the sample mean and standard deviation for each group. Interpret.

b. Find the standard error for the difference between the sample means. Interpret.

c. Find a 95% confidence interval comparing the population means. Interpret.

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