Answered: Reducers Maintainers Gainers Total…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Inastudyofeatingdisordersinadolescents,Gross(1985)askedeachofhersubjects whether they would prefer to gain weight, lose weight, or maintain their present weight. (Note: Only 12% of the girls in Gross’s sample were actually more than 15% above their normative weight—a common cutoff for a label of “overweight.”) When she broke down the data for girls by race (African-American versus white), she obtained the following results (other races have been omitted because of small sample sizes):

Reducers
Maintainers
Gainers
Total
White
352
152
31
535
African American
47
28
24
99
399
180
55
634
© Cengage Learning 2013
a. What conclusions can you draw from these data?

Expert Solution

Step 1

Given observed frequency is:

	Reducers	Maintainers	Gainers	Total
White	352	152	31	535
African American	47	28	24	99
Total	399	180	55	634

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