1. Suggested opening and winning bids at a fund-raising auction for a nonprofit organization are listed below in USD). I
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1. Suggested opening and winning bids at a fund-raising auction for a nonprofit organization are listed below in USD). I
1. Suggested opening and winning bids at a fund-raising auction for a nonprofit organization are listed below in USD). Is there sufficient evidence to conclude that there is a linear correlation between suggested opening bids and winning bids? a) Find the correlation coefficient r, the P-value, and the critical values. Use a significance level of 0.05. b) Find the regression equation, and graph the regression line on the scatterplot. c) Using the appropriate method based on the scatterplot and the correlation coefficient r, predict the winning bid for a suggested opening bid of $450 (use either the regression equation or sample mean, whichever is appropriate based on your answer to (b)). 500 500 400 300 Suggested 1500 opening bid Winning 650 bid 175 125 275 125
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