Question: Dependent R2 :0.2247 Fratio:4.781 variable: S Standard error 63821.0 Parameter estimate 1750861}l 0.8550 0.3250 ? 0.0128 0.284 0.164 1.73 0.0927 Intercept 2.74 0.0098 A R

Dependent R2 :0.2247 Fratio:4.781 variable: S Standard error 63821.0 Parameter estimate

1750861}l 0.8550 0.3250 ? 0.0128 0.284 0.164 1.73 0.0927 Intercept 2.74 0.0098

Dependent R2 :0.2247 Fratio:4.781 variable: S Standard error 63821.0 Parameter estimate 1750861}l 0.8550 0.3250 ? 0.0128 0.284 0.164 1.73 0.0927 Intercept 2.74 0.0098 A R 7.1 What is the Tratio of the independent variable A? 7.2 Does Vanguard's advertising expenditure have a statistically significant effect on the sales of Bright Side detergent? Explain, using the appropriate pValue. 7.3 Does advertising by its three largest rivals affect sales of Bright Side detergent in a statistically significant way? Explain, using the appropriate pValue

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