A Study Compares the Means of Two Groups, Each Having

question 2

Multiple Choice

A study compares the means of two groups, each having N = 20. If the standard deviations of the two groups are 10.00 and 6.00, what is the value for the standard error of the difference ?

• A) .89
• B) 2.61
• C) 5.43
• D) 6.80

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