Functional foods are those containing nutritional supplements in addition to natural nutrients. For example, orange juice with calcium. A researcher asked students to rate their general attitude towards functional foods on a 7-point scale (higher score is more positive). The results are as follow:FemalesMalesn = 15n = 12M = 5M = 4SS = 7SS = 8a. Do the data indicate a significant difference in attitude for males and females? Use a two-tailed test with α = .05b. Your alternative hypothesis in symbols isc. The critical tvalues ared. The t-statistic is:e. Your decision isf. r2 is:

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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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Functional foods are those containing nutritional supplements in addition to natural nutrients. For example, orange juice with calcium. A researcher asked students to rate their general attitude towards functional foods on a 7-point scale (higher score is more positive). The results are as follow:

Females	Males
n = 15	n = 12
M = 5	M = 4
SS = 7	SS = 8

a. Do the data indicate a significant difference in attitude for males and females? Use a two-tailed test with α = .05

b. Your alternative hypothesis in symbols is

c. The critical tvalues are

d. The t-statistic is:

e. Your decision is

f. r²is:

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