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 < 0.05, or p < 0.01).
Answer to relevant QuestionsPerform a nonparametric analysis of prescription drug prices in the United States and Canada, as reported in Table 16.4.7. a. Is this a paired or unpaired situation? b. Are prices significantly higher in the United States? ...An advertisement is being tested to see if it is effective in creating the intended mood of relaxation. A sample of 15 people was tested just before and just after viewing the ad. Their questionnaire included many items, but ...For what kind of variables are chi-squared tests useful? a. If an observed count is 3 and the expected count is 8.61, is there any problem with going ahead with a chi-squared test? b. If an observed count is 8 and the expected count is 3.29, is there any problem with going ahead ...Last year at this time, your firm’s incoming telephone calls followed the percentages shown in Table 17.4.2. a. Find the percentages for the first day of this month and compare them to last year’s percentages for this ...
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