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You wish to test the following claim (Ha) at a significance level of a = 0.05. H.: µ1 = µ2 Ha: µ1 7 42 You believe both populations are normally distributed, but you do not know the standard deviations for either. However, you also have no reason to believe the variances of the two populations are not equal. You obtain a sample of size nį = 18 with a mean of M1 : Iu deviation of SD1 : 63.3 and a standard = 13.3 from the first population. You obtain a sample of size n2 = 10 with a mean of M2 and a standard deviation of SD2 = 7.8 from the second population. 71.3 %3D What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic =-1.680 X What is the p-value for this sample? For this calculation, use the conservative under-estimate for the degrees of freedom as mentioned in the textbook. (Report answer accurate to four decimal places.) p-value =.1049 × %3D

You wish to test the following claim (Ha) at a significance level of a = 0.05. H.: µ1 = µ2 Ha: µ1 7 42 You believe both populations are normally distributed, but you do not know the standard deviations for either. However, you also have no reason to believe the variances of the two populations are not equal. You obtain a sample of size nį = 18 with a mean of M1 : Iu deviation of SD1 : 63.3 and a standard = 13.3 from the first population. You obtain a sample of size n2 = 10 with a mean of M2 and a standard deviation of SD2 = 7.8 from the second population. 71.3 %3D What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic =-1.680 X What is the p-value for this sample? For this calculation, use the conservative under-estimate for the degrees of freedom as mentioned in the textbook. (Report answer accurate to four decimal places.) p-value =.1049 × %3D

MATLAB: An Introduction with Applications
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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You wish to test the following claim (Ha) at a significance level of a = 0.05. H,: µ1 = µ2 Ha:µ1 7 µ2 You believe both populations are normally distributed, but you do not know the standard deviations for either. However, you also have no reason to believe the variances of the two populations are not equal. You obtain a sample of size nj = 18 with a mean of M1 63.3 and a standard deviation of SD1 = 13.3 from the first population. You obtain a sample of size n2 = and a standard deviation of SD2 = 7.8 from the second population. 10 with a mean of M2 71.3 What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = -1.680 X What is the p-value for this sample? For this calculation, use the conservative under-estimate for the degrees of freedom as mentioned in the textbook. (Report answer accurate to four decimal places.) p-value |.1049 X %D
Transcribed Image Text:You wish to test the following claim (Ha) at a significance level of a = 0.05. H,: µ1 = µ2 Ha:µ1 7 µ2 You believe both populations are normally distributed, but you do not know the standard deviations for either. However, you also have no reason to believe the variances of the two populations are not equal. You obtain a sample of size nj = 18 with a mean of M1 63.3 and a standard deviation of SD1 = 13.3 from the first population. You obtain a sample of size n2 = and a standard deviation of SD2 = 7.8 from the second population. 10 with a mean of M2 71.3 What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = -1.680 X What is the p-value for this sample? For this calculation, use the conservative under-estimate for the degrees of freedom as mentioned in the textbook. (Report answer accurate to four decimal places.) p-value |.1049 X %D
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