To Find Critical Value For Ta, Formula Is =TINV(2 Times Alpha, Degrees Of Freedom) To Test Statistic T Is Equal To (Average Difference - 200)/Standard Deviation Of The Difference /Sqrt

To find critical value for ta, formula is =TINV(2 times alpha, degrees of freedom)

To test statistic t is equal to (average difference - 200)/standard deviation of the difference /sqrt n.

Answer the question marks.

 

SAT Scores Student Before After d=A-B 1 800 1000 200 2 850 900 50 3 775 800 25 4 500 800 300 5 475 450 -25 6 300 300 0 7 275 500 225 8 450 490 40 9 125 400 275 10 490 550 60 Ho:udz? Hi:ud