Consider the following to answer the question(s) below:
What affects 4K Ultra HD Smart TV sales? TVs are sold through a variety of outlets. Sales figures (number of units) for the Samsung 7 Series were obtained for last quarter from a sample of 30 different stores. Also collected were data on the selling price and amount spent on advertising the Samsung 7 Series (as a percentage of total advertising expenditure in the previous quarter) at each store. Below are the results.
-Using the estimated multiple regression model, the number of units sold on average at a store that sells the Samsung 7 Series for $2199 and spends 10% of its advertising budget on the product is
A) 53.94 ≈ 54 units.
B) 120 units.
C) 66.94 ≈ 67 units.
D) 90.34 ≈ 90 units.
E) 689 units.

Question

Consider the following to answer the question(s) below:
What affects 4K Ultra HD Smart TV sales? TVs are sold through a variety of outlets. Sales figures (number of units) for the Samsung 7 Series were obtained for last quarter from a sample of 30 different stores. Also collected were data on the selling price and amount spent on advertising the Samsung 7 Series (as a percentage of total advertising expenditure in the previous quarter) at each store. Below are the results. 
-Using the estimated multiple regression model, the number of units sold on average at a store that sells the Samsung 7 Series for $2199 and spends 10% of its advertising budget on the product is
A) 53.94 ≈ 54 units. 
B) 120 units. 
C) 66.94 ≈ 67 units. 
D) 90.34 ≈ 90 units. 
E) 689 units.

Quizplus · Accepted Answer

The correct answer is A because the estimated multiple regression model predicts that the number of units sold on average at a store that sells the Samsung 7 Series for $2199 and spends 10% of its advertising budget on the product is 53.94 ≈ 54 units.

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