Use the formula to find the standard error of the distribution of differences in sample means x̅ 1-x̅2. Samples of size 120 from population 1 with mean 91 and standard deviation 13 and sample size 90 from population 2 with mean 79 and standard deviation 18. ROUND YOUR ANSWER FOR THE STANDARD ERROR TO TWO DECIMAL PLACES. STANDARD ERROR = ?
Use the formula to find the standard error of the distribution of differences in sample means x̅ 1-x̅2. Samples of size 120 from population 1 with mean 91 and standard deviation 13 and sample size 90 from population 2 with mean 79 and standard deviation 18.
ROUND YOUR ANSWER FOR THE STANDARD ERROR TO TWO DECIMAL PLACES.
STANDARD ERROR = ?
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