YOUR TASK: Please complete the following questions. They are related to the material from Chapter 16. 1. What is the general rule for computing percentages in cross-tabulation? 2. Discuss the reasons for the frequent use of cross-tabulations. What are some of its limitations? 3. From a survey of 1,000 families, the following two-way table was constructed. What percentage of people with high income owned the product? Medium income? Low income? What percentage of people with high, medium, and low income did not own the product? OWNED PRODUCT X Yes No High 200 150 INCOME Medium 175 100 LEVEL Low 125 250 Column 500 500 Totals 4. According to the following cross-tabulation, what is the sample size? Are consumers more likely to buy a new cellular phone if it has internet access than if it does not? Explain. WOULD BUY CELL PHONE Yes No Total INTERNET Yes 80 (80%) 20 (20%) 100 (100%) ACCESS No 20 (20%) 80 (80%) 100 (100%) Colum 100 100 200 n (100%) (100%) Totals5. A major department store chain is having an end-of-season sale on refrigerators. The number of refrigerators sold during this sale at a sample of 'l 0 stores was: 80, 110, 0,40, 70, 80, 100, 50, 80, and 30. lfyou were to calculate the average number of refrigerators sold, which measure of central tendency (mean, median or mode) is most useful? Justify your answer. 6. In a study measuring households' familiarity with downloading pictures from the internet, the following results were obtained (1 = not at all familiar, 7 = very familiar). Construct a histogram with familiarity on the x-axis and frequency on the y axis. LEVEL OF FAMILIARIT Y NUMBER OF HOUSEHOLDS What conclusions do you draw from this data? 7. Based on the following cross-tabulation, identify the independent and dependent variables. How might this information be used in the real estate industry? NUMBER OF KIDS None One-Three Four+ 11,893 745 House (81.8%) 7,584 (85.2%) (84.1%) RESIDENCE 2,646 141 TYPE Apartment/Condo (17.2%) 1,318 (14.8%) (15.9%) 14,539 886 Column Totals (100%) 8,902 (100%) (100%)8. Wis a group of 'l 2 emergency medical clinics in the Norfolk and Richmond, VA markets. The management group for Wis considering a communication campaign that will rely mainly on radio ads to boost its awareness and quality image in the market. The agency of Dodd and Beck has been chosen to develop the campaign. Currently, the plan is to focus on W experienced, front-line health professionals. Two themes for the campaign are being considered. The "We are ready!\" theme focuses primarily on the special training given to Wagestaff, and the "All the expert -- all the time" focuses primarily on BMW commitment to having the best, trained professionals available at each Prime Care Facility 2417. Dodd and Beck's research team has conducted a survey of consumers to gauge the appeal of the two campaigns. Overall results broken down by gender and by location and shown in the table below. m1a- --WWWW Total Prefer \"y\": Campaign Prefer \"A"the Tlme\" campaign Based on the results presented in the table above, answer the following questions: (a) How many consumers preferred the "We are Ready" campaign theme? (b) Which theme appears to have more appeal overall? Justify your answer. (c) What % ofthe males preferred the "All the time" campaign theme? (d) How does the appeal ofthe campaigns differ between men and women? What is your basis for that conclusion? (e) How many residents in Richmond liked the "We are Ready" campaign theme? (f) Are the two campaign themes equally attractive to residents of Norfolk and Richmond? Why do you say that