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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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Dymondmonae Dymondmonae
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4 years ago
A fast food chain test marketing a new sandwich chose 18 of its stores in one major metropolitan area. Nine of the stores were in malls and nine were free standing. The sandwich was offered at three different introductory prices. The table shows the number of new sandwiches sold at each location for each location type and price combination.
​

a.Write a model for the mean number of sandwiches sold, E(y), assuming that the relationship
between E(y) and price, x1, is first-order.
b.Fit the model to the data.
c.Write the prediction equations for mall and free-standing stores.
d.Do the data provide sufficient evidence that the change in number of sandwiches sold with
respect to price is different for mall and free-standing stores? Use α = .01.
Textbook 
Statistics

Statistics


Edition: 12th
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jzhu11jzhu11
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