A teacher finds the final de in the statistica department are distributed as: A 258,25% 0,40%...
o A teacher finds that final grades in the statistics department are distributed as: A.25% 0.25%; 0,40% 0,5%; 7,6%. At the end of a randomly selected semester, the following grades were recorded. Calculate the chi-square test statistic y used to determine if the grade distribution for the department is different than expected. Use a=0.01. Grade А B с D F Number 42 36 60 8 14 O A 6.87 OB. 4.82 OC. 3.41 OD 5.25
A teacher figures that finalgades in the demistry d partment are deabted as A, 25%, B25%, c to determine if the grade distribution for the department is different than expected Use a-0.01 . ms, D, 9s Grade A B C D F Number 36 42 60 14 8 O A. 0.01