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

Question

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] · Answer 1 · 2022-06-23T06:17:59+03:00

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] · Answer 2 · 2022-06-23T08:41:45+03:00

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.