A psychologist wishes to determine which of four diet plans works best. The psychologist randomly assigns 32 overweight clients to one of four diet plans: Life on Herbs (LOH), E-mail-A-Meal (EAM), Weight-Lookers (WLK), and Low-Carbs (LOC). The numbers represent weight loss in pounds for 3 months for each client.
-Tukey's HSD value for Problem 1 would be
A)5.45
B)3.90
C)4.91
D)4.80

Question

A psychologist wishes to determine which of four diet plans works best. The psychologist randomly assigns 32 overweight clients to one of four diet plans: Life on Herbs (LOH), E-mail-A-Meal (EAM), Weight-Lookers (WLK), and Low-Carbs (LOC). The numbers represent weight loss in pounds for 3 months for each client.
-Tukey's HSD value for Problem 1 would be
A)5.45 
B)3.90 
C)4.91 
D)4.80

Quizplus · Accepted Answer

The Tukey's HSD value is calculated based on the means and standard deviations of the groups. Given the data, the correct calculation results in a value of 5.45.

A Psychologist Wishes to Determine Which of Four Diet Plans