The following table, reproduced from Exercise 13.53, gives the experience (in years) and monthly salaries (in hundreds of dollars) of nine randomly selected secretaries.

a. Do you expect the experience and monthly salaries to be positively or negatively related? Explain.
b. Compute the linear correlation coefficient.
c. Test at a 5% significance level whether p is positive.

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14 4 9 18 Experience Monthly salary 62 29 37 43 35 60 67 32 60