A store owner gathered data for several days about the methods customers used to pay for their purchases. the scatter plot shows the data she gathered and the line of best fit. a scatter plot depicts customer payments and plots cash versus card. the data points plotted are as follows: (40, 42), (45, 45), (60, 55), (72, 65), and (82 point 5, 75). a diagonal curve fits the points. the equation of the line of best fit is y = 0.755x 11.339. based on the line of best fit, approximately how many customers are predicted to use a card to pay on a day when 90 customers pay by cash? a. 68 b. 79 c. 92 d. 104

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Jerryc4616 Jerryc4616

03-08-2022
Business

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A store owner gathered data for several days about the methods customers used to pay for their purchases. the scatter plot shows the data she gathered and the line of best fit. a scatter plot depicts customer payments and plots cash versus card. the data points plotted are as follows: (40, 42), (45, 45), (60, 55), (72, 65), and (82 point 5, 75). a diagonal curve fits the points. the equation of the line of best fit is y = 0.755x 11.339. based on the line of best fit, approximately how many customers are predicted to use a card to pay on a day when 90 customers pay by cash? a. 68 b. 79 c. 92 d. 104

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tripatsingh039 tripatsingh039 · Answer 1 · 2022-08-14T21:58:03+02:00

It is most likely that option (B), where 79 people pay with cards on a day where 90 customers pay in cash, is right according to line of best fit.

What is the line of best fit?

The line of best fit is a mathematical concept used to draw a straight line between any two given points on a graph. Scatter plots are used in this form of linear regression to choose the most appropriate criterion for defining the relationship between the points.

The following is a list of optimal solutions:

y = 0.755x + 11.339

Plug x = 90

y =0.755(90) + 11.339

y = 67.95 + 11.339

y = 79.28 ≈ 79

This means that on a day when 90 consumers pay in cash, option (B) is true and 79 clients will utilize a card according to line of best fit.

Read this to have a deeper understanding of the line of best fit:

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