Step-by-step explanation:
Janet is playing a game in which she interacts with an environment to solve a puzzle and to meet new characters. She really enjo
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answer is attached below with full explanation
Answer:
The standard deviation of the sample mean differences is _5.23_
Step-by-step explanation:
We have a sample of a population A and a sample of a population B.
For the sample of population A, the standard deviation is
The sample size is:
.
For the sample of population B, the standard deviation is
The sample size is:
.
Then the standard deviation for the difference of means has the following form:
Finally