We use a chi-square test to do inference for which type of variables? A. uniform

Question

We use a chi-square test to do inference for which type of variables? A. uniform B. categorical C. binomial D. normal Physical activity generally declines when students leave high school and enroll in college. This suggests that college is an ideal setting to promote physical activity. One study examined the level of physical activity and other health-related behaviors in a sample of 1184 college students. Here is a two-way table that summarizes the data: This table can be used to test which null hypothesis? A. There is a relationship between the amount of fruit a student eats and how much physical activity the student has. B. There is no relation between the amount of fruit a student eats and how much physical activity the student has. C. The distribution of fruit consumption is uniform and the distribution of physical activity is uniform. D. Eating more fruit promotes more physical activity. The degrees of freedom for the chi-square test for this two-way table a

Explanation / Answer

Question 1: B ) categorical

Question 2: B)there is no relationship between the amount of fruits a student eats and how much physical activity the student has.

Question 3: B) 4

Questions 4: D)66%

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