Estimate for the standard error
Two independent random samples resulted in the following. Determine the estimate for the standard error for the difference between two means. (Give your answer correct to two decimal places.)
Sample A: nA = 20, sA = 8.4
Sample B: nB = 23, sB = 11.1
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A chi-square test for independence is called the distribution-free test since the test is based on categorical data rather than on populations that follow any particular distribution. Answer True False
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