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The mean SAT score for 13 male high school students is 500 and the standard deviation is 100. The mean SAT score for 16 female high school students is 490 and the standard deviation is 80. At o=.05 sigma sign are male SAT scores more varied than female? (...

Your search for statistics test questions a professor is trying to convince her colleagues that peer tutoring works. she compares the results of students in two classes one with and one without the peer tutoring. for the non-tutored group the mean score f...

Males females N1=16 n2=18 S1=4.2 s2=2.3 Using a .01 level of significance

And a Brand1 brand2 brand3 brand4 15. 20 21. 15 25. 17. 22. 15 21. 22. 20. 14 23. 23. 19. 23 20. 18. 22 28 28 My answer F= ..0554932036 / .0560 P= .9822487118 / .9822 .025 significance level Pvalue<..025