Question

In: Statistics and Probability

Choose the most appropriate type of hypothesis testing for each of the followings. (a) You want...

Choose the most appropriate type of hypothesis testing for each of the followings.

(a) You want to compare annual salary means of employees from five different companies and see whether they are equal.

(b) You want to examine 20 families data and compare daughter's height and mother's height. You want to check whether they are different.

choose from one sample z test, one sample t test, pooled t test, paired t-test, anova

(c) A sample of 18 senior marketing majors, which is one of the business majors, shows a mean cumulative GPA of 3.4 with a standard deviation of 0.25. You want to check whether the cumulative GPA of marketing majored seniors is significantly different from 3.25, which is the mean GPA for all business school seniors.

Solutions

Expert Solution

a) One way ANOVA

b) paired t test

c)

There is sufficient evidence to support the claim that the cumulative GPA of marketing majored seniors is significantly different from 3.25, which is the mean GPA for all business school seniors.

orchestra answered 2 years ago
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