statistics

A manager wishes to determine the relationship between the number of miles (in hundreds of miles) the manager's sales representatives travel per month and the amount of sales (in thousands of dollars) per month. Find the equation of the regression line for the given data. Predict the value of sales when the sales representative travel 8 miles. Predict the value of sales when the sales representative traveled 11 miles.

Miles traveled x: 2,3,10,7,8,15,3,1,11
sales y: 31,33,78,62,65,61,48,55,120

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