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Use the formula to find the standard error of the distribution of differences in sample means,...

Use the formula to find the standard error of the distribution of differences in sample means, x¯1-x¯2 . Samples of size 50 from Population 1 with mean 4.0 and standard deviation 1.6 and samples of size 50 from Population 2 with mean 1.5 and standard deviation 1.2 Round your answer for the standard error to two decimal places. standard error = Enter your answer in accordance to the question statement

Math   Statistics-And-Probability   
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Answer #1

Enter the summarized data in the excel. In addins-megastat-hypothesis test-compare two independent groups.

enter the group 1 and group 2, 0 in hypothesized difference and not equal alternative. select t test pooled variance.

The output is given below:

The standard error of difference is 0.28.

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