Questions from Business Statistics

Q: Would there be any problem with a nonparametric analysis (two unpaired

Would there be any problem with a nonparametric analysis (two unpaired samples) of data listing day care rates comparing those of the well-to-do Laurelhurst area to other parts of Seattle? Why or why...

Q: Are tasting scores significantly different for the Chardonnay and Cabernet-Sauvignon

Are tasting scores significantly different for the Chardonnay and Cabernet-Sauvignon wines listed in Table 10.7.6? Is this a paired or unpaired situation? Table 10.7.6:

Q: The number of items returned for each of the past 9 days

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...

Q: Perform a nonparametric analysis of prescription drug prices in the United States

Perform 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 highe...

Q: a. If an observed count is 3 and the expected count

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 pr...

Q: Refer to the data for problem 8. a. Find

Refer to the data for problem 8. a. Find the critical value from the chi-squared table for the 5% level and report the result of the chisquared test. b. Find the critical value from the chi-squared ta...

Q: A mail-order company is interested in whether or not “

A mail-order company is interested in whether or not “order rates” (the percent of catalogs mailed that result in an order) vary from one region of the country to a...

Q: A commercial bank is reviewing the status of recent real estate mortgage

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....

Q: Is there evidence consistent with gender discrimination in training level? To

Is there evidence consistent with gender discrimination in training level? To answer this, proceed as follows: a. Create a table of counts for the two qualitative variables “gender” and “training leve...

Q: Does it really matter how you ask a question? A study

Does it really matter how you ask a question? A study was conducted that asked whether or not people would pay $30 to eat at a particular restaurant.6 One group was told “there is a 50 percent chance...