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. Using the equations presented in this chapter, compute the SST, SSE, and SSR. Find the least-squares regression line for these data (use manual computations) b. Using the regression equation, predict guitar sales if th

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A: E(X)=∑X.P(X)E(X)=0×0.11+1×0.22+2×0.33+3×0.44+4×0.55E(X)=0+0.22+0.66+1.32+2.2E(X)=4.4

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