Describe the similarities and differences between the sign test and the t test.
Answer to relevant Questionsa. What kind of data set is appropriate for the sign test for the differences? b. What hypotheses are being tested? c. What assumption is required? The number of items returned for each of the past 9 days was 13, 8, 36, 18, 6, 4, 39, 47, and 21. Test to see if the median number returned is significantly different from 40 and find the p-value (as either p > 0.05, p < ...Stress levels were recorded during a true answer and a false answer given by each of six people in a study of lie-detecting equipment, based on the idea that the stress involved in telling a lie can be measured. The results ...a. What does the chi-squared statistic measure, in terms of the relationship between the observed data and the null hypothesis? b. Do you reject the null hypothesis for large or for small values of the chi-squared statistic? ...A commercial bank is reviewing the status of recent real estate mortgage applications. Some applications have been accepted, some rejected, and some are pending while waiting for further information. The data are shown in ...
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