You wish to test the following claim (H) at a significance level of a = 0.10. Ho: 1 = 2 Ha:1 > 2 You believe both populations are normally distributed, but you do not know the standard deviations for either. However, assume that the variances of the two populations are equal. You obtain a sample of size n₁ = 13 with a mean of ₁ = 60.2 and a standard deviation of SD₁ = 11.2 from the first population. You obtain a sample of size n₂ = 25 with a mean of 2 50.9 and a standard deviation of SD2 = 9.5 from the second population. - What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... O less than (or equal to) a greater than a This test statistic leads to a decision to... O reject the null O accept the null O fail to reject the null
You wish to test the following claim (H) at a significance level of a = 0.10. Ho: 1 = 2 Ha:1 > 2 You believe both populations are normally distributed, but you do not know the standard deviations for either. However, assume that the variances of the two populations are equal. You obtain a sample of size n₁ = 13 with a mean of ₁ = 60.2 and a standard deviation of SD₁ = 11.2 from the first population. You obtain a sample of size n₂ = 25 with a mean of 2 50.9 and a standard deviation of SD2 = 9.5 from the second population. - What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... O less than (or equal to) a greater than a This test statistic leads to a decision to... O reject the null O accept the null O fail to reject the null
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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