Question: Construct a contingency table using cola preference (Rola or Koka) as the row variable and Rola-Cola purchase history (Yes or No) as the column variable.

Construct a contingency table using cola preference (Rola or Koka) as the row variable and Rola-Cola purchase history (Yes or No) as the column variable. Based on the table, answer the following.
a. How many shoppers who preferred Rola-Cola in the blind taste test had previously purchased Rola-Cola?
b. How many shoppers who preferred Koka-Cola in the blind taste test had not previously purchased Rola-Cola?
c. What kind of relationship, if any, seems to exist between cola preference and Rola-Cola purchase history?

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Crosstabulation Purchased No Yes Total Koka Observed 14 2 16 of row 875 125 1000 of column 667 1... View full answer

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