=4-10 The operations manager of a musical instrument distributor feels that demand for a particular type of

Question:

=4-10 The operations manager of a musical instrument distributor feels that demand for a particular type of guitar may be related to the number of YouTube views for a music video by the popular rock group Marble Pumpkins during the preceding month. The manager has collected the data shown in the following table:

YouTube Views (1,000s)

Guitar Sales 30 8 40 11 70 12 60 10 80 15 50 13

(a) Graph these data to see whether a linear equation might describe the relationship between the views on YouTube and guitar sales.

(b) Using the equations presented in this chapter, compute the SST, SSE, and SSR. Find the leastsquares regression line for these data.

(c) Using the regression equation, predict guitar sales if there were 40,000 views last month.

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Related Book For  book-img-for-question

Quantitative Analysis For Management

ISBN: 9789332578692

12th Edition

Authors: Barry Render, Ralph M. Stair, Michael E. Hanna

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