Practice 2

# Practice 2 - Statistics 102 Quiz No 2 The more people watch...

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Statistics 102 Quiz No. 2, The more people watch television, the more they are exposed to advertising commercials. A researcher theorized that seeing more commercials induces one to buy more, thereby leading one to accumulate greater debt. To test this theory, the researcher surveyed a sample of families, recording the number of hours per week a television set is being viewed, and the total family debt. The family debt figures are in thousands of dollars in the analysis which follows. Bivariate Fit of Debt By Television Summary of Fit Root Mean Square Error 38.3428 Mean of Response 126.73 Observations (or Sum Wgts) 430 Analysis of Variance Source DF Sum of Squares Mean Square F Ratio Model 1 280491.56 280492 190.7889 Error 428 629231.57 1470 Prob > F C. Total 429 909723.13 <.0001* Parameter Estimates Term Estimate Std Error Intercept 48.5708 5.953 Television 2.56848 0.18595

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1. The fitted model estimates that A. Total family debt increases as weekly television viewing increases, but this result is not statistically significant. B. Total family debt increases significantly as weekly television viewing increases. C. Total family debt decreases significantly as weekly television viewing increases. D. Total family debt increases significantly as total family spending increases. E. Total family debt increases as total family spending increases, but this result is not statistically significant.
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