A student asked a statistics professor if grades were marked "on the curve." The professor decided to give the student a project to determine if last year's statistics grades were normally distributed. The professor told the student that last year's mean mark was 70 with a standard deviation of 10 and to use the following results. What is the calculated value of chi-square?
A) 29.76
B) 14.20
C) 14.88
D) 28.39
E) 12.59

Question

A student asked a statistics professor if grades were marked "on the curve." The professor decided to give the student a project to determine if last year's statistics grades were normally distributed. The professor told the student that last year's mean mark was 70 with a standard deviation of 10 and to use the following results.  What is the calculated value of chi-square?
A) 29.76 
B) 14.20 
C) 14.88 
D) 28.39 
E) 12.59

Quizplus · Accepted Answer

The Answer of A student asked a statistics professor if grades were marked "on the curve." The professor decided to give the student a project to determine if last year's statistics grades were normally distributed. The professor told the student that last year's mean mark was 70 with a standard deviation of 10 and to use the following results.  What is the calculated value of chi-square?
A) 29.76 
B) 14.20 
C) 14.88 
D) 28.39 
E) 12.59

A Student Asked a Statistics Professor If Grades Were Marked