The Basic Practice of Statistics
The Basic Practice of Statistics
8th Edition
ISBN: 9781319057916
Author: Moore
Publisher: MAC HIGHER
Question
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Chapter 5, Problem 5.20CYS
To determine

To find: The  price of a hot dog to be close to which value,if another ball park charges 0.60 dollar per ounce for beer.

Expert Solution & Answer
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Answer to Problem 5.20CYS

Option (a): $5.50.

Explanation of Solution

Reason for the correct option:

In scatterplot, the ballpark charge of 0.60 dollar per ounce for beer in the x axis intersects the regression line which corresponds to 5.50 in the y axis. This is shown below:

The Basic Practice of Statistics, Chapter 5, Problem 5.20CYS

Therefore, the correct option is (b).

Reason for the incorrect answer:

Option (a) and option (c) are incorrect, because the corresponding predicted value of a hot dog cannot be determined from the given scatterplot.

Conclusion:

If another ballpark charges 0.60 dollar per ounce for beer, the predicted value of a hot dog will be close to $5.50.

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