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The following table gives the data from a local school district on children's ages (x) and...

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Statistics

The following table gives the data from a local school districton children's ages (x) and the reading level (y)

Ages (in yrs.), x6789101112131415
Reading level, y1.32.23.74.14.95.26.07.18.59.7


a). Find the correlation coefficient (r) between age (in years) andreading level. (write your calculator steps)

b) Find the coefficient of determination (r2 )

c) Find the slope of the regression line

d) Find the intercept of the regression line

e) Find the estimated equation of the regression line

f) Predict the reading level for age 10.5 years

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