* A random sample of nine custom homes provided the following data on size and price. X denotes size in hundreds of square feet and y denotes price in thousands of dollars 26 27 33 29 29 34 30 40 Y...


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* A random sample of nine custom homes provided the following data on size and price. X<br>denotes size in hundreds of square feet and y denotes price in thousands of dollars<br>26<br>27<br>33<br>29<br>29<br>34<br>30<br>40<br>Y<br>540<br>555 575 577 606 661<br>738 804 496<br>22<br>

Extracted text: * A random sample of nine custom homes provided the following data on size and price. X denotes size in hundreds of square feet and y denotes price in thousands of dollars 26 27 33 29 29 34 30 40 Y 540 555 575 577 606 661 738 804 496 22
Q. 6 For the same custom homes data,<br>a) Compute SST, SSR and SSE.<br>b) Compute the coefficient of determination r2<br>c) What is the percentage of variation in the observed values of the response variable is<br>explained by regression?<br>d) How useful is the regression equation for making predictions?<br>In the table i &.5. Add Lolummn for y<br>Syya E y?_<br>%3D<br>SST e<br>241b00<br>2<br>308025<br>S SR =<br>E x? - CIx)?<br>SSE 2 Syy<br>Sxx<br>SSR<br>S ST<br>Totat<br>% of variation<br>explained by regression<br>How good is it ?<br>

Extracted text: Q. 6 For the same custom homes data, a) Compute SST, SSR and SSE. b) Compute the coefficient of determination r2 c) What is the percentage of variation in the observed values of the response variable is explained by regression? d) How useful is the regression equation for making predictions? In the table i &.5. Add Lolummn for y Syya E y?_ %3D SST e 241b00 2 308025 S SR = E x? - CIx)? SSE 2 Syy Sxx SSR S ST Totat % of variation explained by regression How good is it ?

Jun 10, 2022
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