Consider the following hypothesis test. Ho: M-μ₂ = 0 Ha: M-μ₂0 The following information was obtained from independent random samples. Assume normally distributed populations with equal variances. Sample 1 Sample 2 Sample Mean 45 42 Sample Variance 85 90 Sample Size 10 12 (A) The pooled sample variance is 87.75 (B) The test statistic is 4 (C) The degrees of freedom for the t-distribution are 20 (D) At a=0.05, reject Ho if t ≥1.725
Consider the following hypothesis test. Ho: M-μ₂ = 0 Ha: M-μ₂0 The following information was obtained from independent random samples. Assume normally distributed populations with equal variances. Sample 1 Sample 2 Sample Mean 45 42 Sample Variance 85 90 Sample Size 10 12 (A) The pooled sample variance is 87.75 (B) The test statistic is 4 (C) The degrees of freedom for the t-distribution are 20 (D) At a=0.05, reject Ho if t ≥1.725
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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![Consider the following hypothesis test.
Ho: μ₁¬μ₂ = 0
Ha: M-μ₂0
The following information was obtained from independent random samples.
Assume normally distributed populations with equal variances.
Sample 1
Sample 2
Sample Mean
45
42
Sample Variance
85
90
Sample Size
10
12
(A) The pooled sample variance is 87.75 (B) The test statistic is 4
(C) The degrees of freedom for the t-distribution are 20 (D) At a=0.05, reject H₁ if t≥1.725](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0bb358b2-a1bf-43bb-931d-6050cc548e3e%2F1b9ea6b8-f9d2-4049-9e5f-9660413d8140%2Ftdxjrdr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Consider the following hypothesis test.
Ho: μ₁¬μ₂ = 0
Ha: M-μ₂0
The following information was obtained from independent random samples.
Assume normally distributed populations with equal variances.
Sample 1
Sample 2
Sample Mean
45
42
Sample Variance
85
90
Sample Size
10
12
(A) The pooled sample variance is 87.75 (B) The test statistic is 4
(C) The degrees of freedom for the t-distribution are 20 (D) At a=0.05, reject H₁ if t≥1.725
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