QUESTION 6

Correlation: Your manager feels employee pay has a strong correlation with employee retention. Answer the questions below using table7.

Table 7 Regression Statistics Multiple R 0.7029 R Square 0.4941 Adjusted R Square 0.3254 Standard Error 9.5848 Observations 25 Coefficients Standard Error t Stat P-value Intercept 49.4549 29.7218 4.422514 0.194715 Pay 0.5137 0.3001 51.64959 0.001854

What is the equation using table 7?

Explain the coefficient of determinationin table 7

Using table 7, the coefficient of correlation tells us

If x is 37,what would the equation show for y (using table 7)

A. y =0.5137+49.4549(intercept)

B. y =49.4549 + 0.5137(retention)

C. 1830.35

D. Not enough data to calculate the answer

E. that 49.4549 is the determination of the intercept

F. If x is 37,then y is the slope multiplied by the coefficient of x

G. the correlation is negative

H. the correlation is moderate and positive

I. the correlation is strong and positive

J. y =49.4549+0.5137(pay)

K. 68.46

L. y =0.7029+49.4549(correlation)

M. 0.7029 of the change is explained by the x variable

N. 0.4941 of the change in the y variable is explained by the x variable

QUESTION 7

Your Operations Manager has sample data for 100 competitors. She asks you to estimate the mean time-to-buy products with a 95% confidence level for the competition. Use a mean of 50 and the standard deviation is 10. Provide the lower confidence interval?