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Yuki888 [10]
3 years ago
10

penny recorded the hours she worked as a waitress and how much money she earned in tips. this scatterplot shows her results. bas

ed on the line of best fit, which of the following statements is true?

Mathematics
2 answers:
ExtremeBDS [4]3 years ago
8 0

Answer: D- “as the number of hours worked increases by 1 hour, the amount of tip money earned increases by $10"

*Explained in my comment previously*

Leokris [45]3 years ago
7 0

Answer:

Alternative D is correct

Step-by-step explanation:

As the number of hours worked increases by 1 hour, the amount of tip money earned increases by 10 dollars. The value 10 is simply the slope of the line of best fit which is calculated as; the change in y/the change in x. Using the two points on the line, we calculate the slope as ; (80-20)/(8-2) =10. The slope measures the change in the y-variable for every unit change in x.

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