not a graded question. A question that says: The first and second exam grades X,Yfor a sample of ten students in two Statistics exams were as follows: StudentFirstexamgrade XSecondexamgrade YD=Y-X1382326828-15NOTE: EX2=30775,-40H*3404146517061716105060756688127074944055510ΣΥ=34560,ΣΧΥ=31336a. Test at (a=0.05) if the mean grade of the first Statistics exam is above 50?b.Give 95% CI for the mean grades of the second Statistics exam?c. Compute the correlation coefficient between the first and the second exam grades?d. Test at (a=0.05) if the mean grades of the first and second Statistics exams are differernt?e. Give 95% CI for the difference in mean grades between the second and the first exams?10551570MeanSD54.3 11.971555.019.181.717.1

Provided that X and Y represent the first and second exam grades, respectively. The sample means,…

5 10 NOTE: EX²=30775, ΣΥ=34560, ΣΧΥ=31336 a. Test at (a=0.05) if the mean grade of the first Statistics exam is above 50? -40 . 1 10 12 4 15 15 1.7 b.Give 95% CI for the mean grades of the second Statistics exam? c. Compute the correlation coefficient between the first and the second exam grades? d. Test at (s 17.1

5 10 NOTE: EX²=30775, ΣΥ=34560, ΣΧΥ=31336 a. Test at (a=0.05) if the mean grade of the first Statistics exam is above 50? -40 . 1 10 12 4 15 15 1.7 b.Give 95% CI for the mean grades of the second Statistics exam? c. Compute the correlation coefficient between the first and the second exam grades? d. Test at (s 17.1

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.5: Correlation And Causation

Problem 2AGP

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