True/False
In testing the difference between the means of two independent populations,if neither population is normally distributed,then the sampling distribution of the difference in means will be approximately normal provided that the sum of the sample sizes obtained from the two populations are at least 30.
Correct Answer:
Verified
Correct Answer:
Verified
Q74: In an opinion survey,a random sample of
Q75: Given two independent normal distributions with s<sub>1</sub><sup>2</sup>-
Q76: When testing the difference between two proportions
Q77: In order to test the effectiveness of
Q78: In testing for the equality of means
Q80: Find a 95 percent confidence interval for
Q81: When testing the difference between two population
Q82: A fast food company uses two management-training
Q83: When testing H<sub>0</sub>: <span class="ql-formula"
Q84: Suppose that a realtor is interested