Answered: You'd like to test the null hypothesis…

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

3436

You'd like to test the null hypothesis that the means of the two samples (column A and column B) are the same. The alternative hypothesis is that they are not the same. You have no reason to believe that the standard deviations of the two samples are equal. Test at the alpha = 0.10 level.

After using Excel, what do you conclude? Are the means the same?

Group of answer choices

You reject the null hypothesis. Therefore, you conclude that the means of the two populations are different.

You cannot reject the null hypothesis. Therefore, you conclude that the means of the two populations are the same.

You reject the null hypothesis. Therefore, you conclude that the means of the two populations are the same.

You cannot reject the null hypothesis. Therefore, you conclude that the means of the two populations are different.

X1	X2
101.74	100.03
106.08	91.07
97.05	103.32
98.41	102.91
101.26	103.13
100.70	101.09
106.74	106.48
98.75	97.86
101.65	105.39
92.74	107.50
97.78	101.20
98.24	102.54
100.13	100.10
98.31	108.27
98.53	102.07
100.51	107.33
96.97	96.81
102.00	103.40
101.94	98.61
106.10	105.08
101.97	97.82
96.74	97.26
101.17	106.40
102.46	102.98
101.01	98.74
104.28	104.27
91.15	99.90
98.47	106.38
98.78	99.23
105.34	98.30
100.24	97.79
101.58	99.60
100.43	97.18
96.28	107.15
	101.56
	99.24