Chapter 6, Section 4-D, Exercise 181 Use the formula to find the standard error of the distribution of differences in sample means, x¯1-x¯2. Samples of size 26 from Population 1 with mean 6.6 and standard deviation 4.0 and samples of size 44 from Population 2 with mean 8.5 and standard deviation 7.4 Round your answer for the standard error to two decimal places. standard error

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