Answered: A health scientist is testing the…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 11CYU

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Question

A health scientist is testing the effectiveness of three different diets (Diet A, Diet B, and Diet C). To determine diet effectiveness, a group of 72 participants were weighed and then randomly assigned to adhere to one of the three diets for a month (N = 24 for each group). At the end of the month, each participant was weighed again and the amount of weight lost was calculated in kilograms (kg). Using the variables “Diet” and “Weight Loss kg”, conduct a One-Way, Between Subjects, ANOVA, at α = 0.05, AND conduct Tukey's Post Hoc testing to find out which of the three diets was most effective.

Identify the correct written form of the alternative hypothesis

A. The mean amount of weight lost between the three different type of diets are NOT equal
B. The mean amount of weight lost on at least one diet is different from the mean amount of weight lost on at least one other diet between the three types of diets being tested
C. The mean amount of weight lost between diets A and B are significantly different
D. The mean amount of weight lost between diets C and A are significantly different

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