A consumer analyst collected the following data on the screen sizes of popular L

Question

A consumer analyst collected the following data on the screen sizes of popular LCD televisions sold recently at a large retailer:

Include the manufacturer in a multiple linear regression analysis using a "dummy" variable. Does it appear that some manufacturers can command a premium price? Hint: You will need to use a set of indicator variables. (Round your answers to 2 decimal places. Negative amounts should be indicated by a minus sign.)

Test each of the individual coefficients to see if they are significant. (Round your answers to 2 decimal places. Leave no cells blank - be certain to enter "0" wherever required. Negative amounts should be indicated by a minus sign.)

A consumer analyst collected the following data on the screen sizes of popular LCD televisions sold recently at a large retailer:

Explanation / Answer

Manufacturer Samsung takes it as a dummy indicator.

Predictor T (Coefficient) P value Constant 543.57 0.617 Screen 29.17 0.220 Manufacturer_Sharp 274.59 0.464 Manufacturer_Sony 397.41 0.315

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