Use the following information for questions:
A sample of passengers flying on small planes gave a mean total weight (passenger weight including shoes, clothes, and carry-on) of 200 pounds and a standard deviation of 60 pounds.
-What is the estimated effect size for comparing this result to the FDA guideline level of 185 pounds?
A) 0.25
B) -0.25
C) -15
D) 15

Question

Use the following information for questions:
 A sample of passengers flying on small planes gave a mean total weight (passenger weight including shoes, clothes, and carry-on) of 200 pounds and a standard deviation of 60 pounds.
-What is the estimated effect size for comparing this result to the FDA guideline level of 185 pounds?
A) 0.25
B) -0.25
C) -15
D) 15

Quizplus · Accepted Answer

The effect size is calculated as the difference between the mean and the guideline level divided by the standard deviation: (200 - 185) / 60 = 15 / 60 = 0.25.

Use the Following Information for Questions