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Consider the following regression analysis for predicting sales per week from intelligence and ...

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Consider the following regression analysis for predicting sales per week from intelligence and ...

Consider the following regression analysis for predicting sales per week from intelligence and extroversion scores:

The regression equation is

Sales/Week = 994 + 8.22 Intelligence + 49.7 Extroversion

Term Coef SE Coef T-Value P-Value

Constant 994 788 1.26 0.224

Intelligence 8.22 7.01 1.17 0.257

Extroversion 49.7 19.6 2.53 0.021

S R-sq R-sq(adj) R-sq(pred)

332.069 35.26% 27.65% 10.66%

Analysis of Variance

Source DF Adj SS Adj MS F-Value P-Value

Regression 2 1021166 510583 4.63 0.025

Error 17 1874584 110270

Total 19 2895750

What proportion of the variability in sales per week is explained by the model?

▸

0.1066

▸

0.224

▸

0.3526

▸

0.021

Textbook

Introductory Statistics: A Problem-Solving Approach

Edition: 3^rd

Author: Kokoska

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Helped a lot

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This helped my grade so much Perfect

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