# Question: Consider the Married Couples Heights scatter diagram presented in Height

Consider the “Married Couples’ Heights” scatter diagram presented in “Height Compatibility” on page 612:

a. Find the equation for the line of best fit.

b. Is the value of b1 significantly greater than zero at the 0.05 level?

c. Find the 95% confidence interval for b1.

a. Find the equation for the line of best fit.

b. Is the value of b1 significantly greater than zero at the 0.05 level?

c. Find the 95% confidence interval for b1.

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