The table below gives data on the relationship between running speed and stride rate for elite female runners.

Speed

15.5

16.8

17.7

18.9

21.0

21.5

22.9

Stride Rate

4.1

4.5

5.0

5.6

6.1

6.4

6.4

Use Stride Rate as the explanatory variable

Find the correlation coefficient

regression equation for these data

Explain what the slope represents in this model

Compute the value of y-hat for a stride rate of 4.8.

Why is this different from the actual data?