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QUESTIONS sales manager for an advertising agency believes that there is a relationship between the number...
A sales manager for an advertising agency believes there is a relationship between the number of contacts and the amount of the sales. To verify this, the following data was collected: Sales ($) Contacts 25,000 15 16,000 15 28,000 20 60,000 18 80,000 46 35,000 24 85,000 45 80,000 45 95,000 55 110,000 52 Which is the: Independent variable? ___________________ Dependent variable? ___________________ Calculate the coefficient of correlation and interpret the results. Determine both the coefficient of determination and non-determination...
QUESTION 23 A sales manager for an advertising agency believes that there is a relationship between the number of contacts that a sales person makes and the amount of the sales dollars earned. A regression analysis shows the following results: Coefficients Standard Error T Stat P-value Intercept -12 201 6.560 -1.860 0.100 Number of Contacts 2.195 0.176 12.505 0.000 What is the standard error of the slope? -0.176 6.560 -12.201 12.50
QUESTION 5 A sales manager for an advertising agency believes that there is a relationship between the number of contacts that a sales person makes and the amount of the sales dollars carned. A regression analysis shows the following results: Coefficients Standard Error T Stat P-value Intercept -12.201 6.560 -1.860 0.100 Number of Contacts 2.195 0.176 12.505 0.000 What is the decision regarding the hypothesis that the slope equals zero? Reject Ha. Fail to reject Ho. Fail to reject Ha....
QUESTION 12 A sales manager for an advertising agency believes that there is a relationship between the number of contacts that a sales person makes and the amount of the sales dollars earned. A regression ANOVA shows the following results: ANOVA F P.value df 1.00 8.00 Regression Residual Total 156.38 SS 13555.42 693.48 14248.90 MS 13555.42 86.68 0.00 9.00 What is the value of the standard error of estimate? 8.328 8.778 86.68 9.310
QUESTION 4 (3 points) A sales manager for an adve of contacts and the amount of the sales. To verify this believe, the following data was collected rtising agency believes there is a relationship between the number Number of Salesperson Contacts. Sales lin thousands 12 20 28 4 80 23 85 120 110 10 What is the 95% confidence interval for sales (in thousands) for someone who made 30 contacts? A. 51.5 to 55.8 B. 51.4 to 55.9 C. 46.7...
1 Problem 7 (20 marks) A sales manager for an advertising agency believes there is a relationship between the number of contacts and the amount of the sales. To verify this believe, the following data was collected: Salesperson Number of Contacts Sales (in thousands) 14 24 2 12 14 3 20 28 4 16 30 16 80 23 7 48 90 50 85 55 120 10 SO 110 6 8 9 Assume normality of variables. a) Calculate the coefficient of...
1 Problem 8 (20 marks) A sales manager for an advertising agency believes there is a relationship between the number of contacts and the amount of the sales. To verify this belief, the following data was collected: Salesperson Number of Contacts Sales (in thousands) 14 24 2 12 14 3 20 28 4 16 30 5 46 80 6 23 30 7 48 90 8 50 85 55 120 10 50 110 9 Assume normality of variables. a) Calculate the...
Mr. James, president of Daniel-James Financial Services, believes that there is a relationship between the number of client contacts and the dollar amount of sales. To document this assertion, he gathered the following information from a sample of clients for the last month. Let X represent the number of times that the client was contacted and Y represent the value of sales ($1000) for each client sampled. Number of` Sales Contacts (X) ($1000) (Y) 14 24 12 14 20...
Mr. James McWhinney, president of Daniel James Financial Services, believes there is a relationship between the number of client contacts and the dollar amount of sales. To document this assertion, Mr. McWhinney gathered the following sample Information. The X column indicates the number of client contacts last month, and the Y column shows the value of sales ($ thousands) last month for each client sampled Number of Sales Number of Sales Contacts, (5 thousands), Contacts, (5 thousands) х 22 76...
Q3. (15 points) The managing partner of an advertising agency believes that his company's sales are related to the industry sales ($ 1000s). He uses Microsoft Excel to analyze the last 4 years of quarterly data (i.e., n=16) with the following results: Regression Statistics Multiple R 0 .802 R Square - 0.643 Adjusted R Square 0.618 Standard Error SYX Observations 0.9224 ANOVA df 1 14 15 F 25.27 Regression Error Total MS 21.497 0.851 Sig.F 0.000 SS 21.497 11.912 33.409...