Someone please help! Observations are taken on sales of a certain mountain bike

Question

Someone please help!

Observations are taken on sales of a certain mountain bike in 30sporting goods stores. The regression model was Y= totalsales (thousands of dollars), X1= display floor space (squaremeters), X2= competitors' advertising expenditures (thousands ofdollars), X3= advertised price (dollars per unit)

Predictor                         Coefficient
Intercept                         1,225.44
FloorSpace                    11.52
CompetingAds               -6.935
Price                               -.1496

Write the fitted regression equation:

Y=___________+________*Floor space +__________*CompetingAds+___________*Price

If floor space =80, competing ads =100 and Price =1200, then sales=$__________thousand.

Thank you!

Explanation / Answer

Write the fitted regression equation: Y=____1,225.44_______+___11.52_____*Floor space -__ 6.935________*Competing Ads-____ 0.1496_______*Price If floor space =80, competing ads =100 and Price =1200, then sales=$____1435.588______thousand. Y=1225.44+11.52*80-6.935*100-0.1496*120=1435.588

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