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Solve the problems using your graphing calculator. Round all parameter values to
the nearest hundredth. Complete Steps 1-4 in order.

Caleb is training for an upcoming race. He runs a mile every day, keeps track of his
timing, and records his progress.
Day #
1
2
3
4
5
6
7

Run time (min)
8.2
8.1
7.5
7.8
7.4
7.2
7.1

Step 1: Choose the function that best represents the data.
y= 8.36x -0.19
y=-0.19x+8.36
y = 8.36x+0.19
y=0.19x8.36.

Solve The Problems Using Your Graphing Calculator Round All Parameter Values To The Nearest Hundredth Complete Steps 14 In Order Caleb Is Training For An Upcomi class=

Sagot :

Drawing a scatter plot for the given values on a graphing calculator, we have;

  • y = -0.19•x + 8.36

How can the function that best represents the data be found?

The values are;

Day; Running time

1; 8.2

2; 8.1

3; 7.5

4; 7.8

5; 7.4

6; 7.2

7; 7.1

Entering the above values in a graphing calculator, we have;

  • The slope of the line of best fit = -0.19
  • The x-intercept = 45

Therefore;

  • 0 = -0.19 × 45 + y-intercept

0 = -8.36 + y-intercept

  • y-intercept = 8.36

The equation found using the statistics function for scatter plot on a calculator is therefore;

  • y = -0.19•x + 8.36

Learn more about scatter plots here:

https://brainly.com/question/2605413

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