Question

2.47 Construct a cross-tabulation table using cola preference (Rola or Koka) as the row variable and the number of 12-packs consumed in a typical month (categories 0 through 5, 6 through 10, and more than 10) as the column variable. Based on the table, answer the following:

a. How many shoppers who preferred Rola-Cola in the blind taste test purchase 10 or fewer 12-packs of cola drinks in a typical month?

b. How many shoppers who preferred Koka-Cola in the blind taste test purchase 6 or more 12-packs of cola drinks in a typical month?

c. What kind of relationship, if any, seems to exist between cola preference and cola consumption in a typical month?

Answer 1

Answer on Question #44232, Math, Statistics and Probability

2.47 Construct a cross-tabulation table using cola preference (Rola or Koka) as the row variable and the number of 12-packs consumed in a typical month (categories 0 through 5, 6 through 10, and more than 10) as the column variable. Based on the table, answer the following:

a. How many shoppers who preferred Rola-Cola in the blind taste test purchase 10 or fewer 12-packs of cola drinks in a typical month?

b. How many shoppers who preferred Koka-Cola in the blind taste test purchase 6 or more 12-packs of cola drinks in a typical month?

c. What kind of relationship, if any, seems to exist between cola preference and cola consumption in a typical month?

Remark. The sample is missed. We suppose that this problem is from Essentials of Business Statistics, 4th Edition. The missed table is

The book is available only in the bad quality for free individual use.

Solution.

The sample:

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Cross-tabulation table in the blind taste test (Previously Purchased? No):

a. From the cross-tabulation table $4 + 2 = 6$ shoppers prefer 10 or fewer 12-packs of Rola-Cola drinks in a typical month.

b. From the cross-tabulation table $2 + 1 = 3$ shoppers prefer 6 or more 12-packs of Koka-Cola drinks in a typical month.

c. Row percentages for each Cola type:

From the table we may notice that shoppers that prefer who preferred Koka-Cola and Rola-Cola in the blind purchase 0 through 5 12-packs of cola drinks in a typical month more often.