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A textbook publisher for books used in business schools believes that the number of books sold is related to the number of campus visits to decision makers made by their sales force. The following table gives the details of the linear regression relationship between the two variables. SUMMARY OUTPUT Regression Statistics Multiple R 0.87 R Squared 0.75 Adjusted R Squared 0.72 Standard Error 83.3 Observations 10 ANOVA df SS MS F Sig F Regression 1 165052.63 165052.63 23.79 lo Coefficients Standard Error t Stat P-value L 95% U 95% Intercept 80.61 85.73 1.22 0.26 -93.09 302.3 X Variable 1 21.74 3.02 4.88 10 7.77 21.7 If no campus visits are made, then book sales would approximately be: 95.00 to 96.00 O 104.00 to 105.00 O 80.00 to 81.00 O None of these answers are correct. O 55.00 to 56.00