Multiple Choice
The data below represent the means from 15 sample control charts for the amount of time in minutes it takes students to complete a quiz in a basic statistics course.The same quiz was given to 15 different sections of a basic statistics course.Five students were sampled from each class and each mean is shown below. 
Which graph is the control chart for 
?
A) 
B) 
C) 
D) None of the above
Correct Answer:
Verified
Correct Answer:
Verified
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