Question: Simple linear regression analysis was applied between sales (y in $1,000) and advertising (x in $100), and the following regression function was obtained for a

Simple linear regression analysis was applied between sales (y in $1,000) and advertising (x in $100), and the following regression function was obtained for a dataset with n=17: y^=12+1.8x. In testing the null hypothesis that the regression slope is zero, the t statistic was calculated to be t=6.71. The p-value is (a) less than or greater than 0.05. So, we (b) reject or fail to reject the null hypothesis, and the conclusion of the test at the 5% level of significance is that the regression slope (c) is or is not zero

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