A small manufacturing company is concerned about delinquent

accounts. A random sample of the delinquent accounts receivable gave the

following information about the size of the accounts, in hundreds of dollars,

and the number of days overdue:

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a. Plot a scatter diagram.

b. Calculate the least squares regression line to predict

the number of days that a delinquent account will be overdue.

c. Calculate the correlation coefficient.

d. Test for independence. Calculate the P-value.