A1 QUESTION 19The proprietor of Cypres Recordings investigated the relationship between sales y) and the amount spent on advertising (x).A random sample of 3 Recordings gives the following information.(x1) = 9. (y1) = 29, 12- 10. y2 = 26, x) - 33. y3-26To estimate the regression equation, the slope is equal to?(Round answer to three decimal places ex. 2.091)QUESTION 20It was found that the mean annual tumover rate of the Aspirin medicine bottle is 19. The management think that the mean is changedTherefore, a random sample of 41 is chosen that shows the average is 20 and the standard deviation is 3. Use 0.03 significance level to testthis claimBased on the above, the test statistic is equal to?(Round answer to two decimal places ex. 2.09)

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The proprietor of Cypres Recordings investigated the relationship between sales ) and the amount spent on advertising ) Arandom sample of 3 Recordings gives the following information. (x1) - 9. (y1) - 29, x2+ 10. y2 26, x3 - 33. ya-26 To estimate the regression equation, the slope is equal to? (Round answer to three decimal places ex. 2.091)

The proprietor of Cypres Recordings investigated the relationship between sales ) and the amount spent on advertising ) Arandom sample of 3 Recordings gives the following information. (x1) - 9. (y1) - 29, x2+ 10. y2 26, x3 - 33. ya-26 To estimate the regression equation, the slope is equal to? (Round answer to three decimal places ex. 2.091)

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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