4) Calculate the Standard Deviation for SAT scores. 2pts 5) In your own words define Statistical Significance (alpha o). 2pts Given a 95% Level of confidence, what is the 2pts Level of Significance (alpha)? 6) 7) In your own words define Confidence Intervals. (2pts) 8) Calculate the Margin of Error (E) for SAT scores 2pts 9) at is the Upper Limit of the Confidence Interval 2pts 10} hat is the Lower Limit of the Confidence Interval 2pts 11) In your own words define the Correlation Coefficient (3pts) 12) Calculate the correlation coefficient R = 3pts 13) Calculate the regression sum of squares R 3pts