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(Solution) - The Computer Anxiety Rating Scale CARS measures an individual s level

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The Computer Anxiety Rating Scale (CARS) measures an individual's level of computer anxiety, on a scale from 20 (no anxiety) to 100 (highest level of anxiety). Researchers at Miami University administered CARS to 172 business students. One of the objectives of the study was to determine whether there is a difference between the level of computer anxiety experienced by female students and male students. They found the following:

The Computer Anxiety Rating Scale (CARS) measures an individual's level
a. At the 0.05 level of significance, is there evidence of a difference in the variability of the computer anxiety experienced by males and females?
b. Interpret the p-value.
c. What assumption do you need to make about the two populations in order to justify the use of the F test?
d. Based on (a) and (b), which t test defined in Section 10.1 should you use to test whether there is a significant difference in mean computer anxiety for female and male students?


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