Answered: Is race a factor in the number of times…

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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Question

Is race a factor in the number of times a month a person eats out? The table below shows data that was collected.

Hispanic	White	Black	Asian
10	6	14	14
9	8	9	15
5	10	1	4
12	0	10	6
10	4	9	13
5	4	9	5
6	14	9	1
6	2	1	8
7

Assume that all distributions are normal, the four population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of α=0.01α=0.01.

H0: μ1=μ2=μ3=μ4H0: μ1=μ2=μ3=μ4
Ha:Ha: At least two of the means differ from each other.

For this study, we should use
The test-statistic for this data = (Please show your answer to 4 decimal places.)
The p-value for this sample = (Please show your answer to 4 decimal places.)

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