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Hypothesis testing for difference between two population means

Two independent samples were taken from two populations with the following results:

Sample 1	Sample 2
Sample size = 48	Sample size = 39
Mean = 15	Mean = 11
Population standard deviation = 1.8	Population standard deviation = 2.9

For the hypothesis test:
H0 : μ1 - μ2 ≤ 1
H0 : μ1 - μ2 > 1

a. What is the standard error of the difference between the means?

b. What is the value of the test statistic?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9172350

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