Based on the control plot, which conclusion is justified regarding the means of the response?

exams A00-240 A00-240 exam 0 Comments

Refer to the exhibit.

Based on the control plot, which conclusion is justified regarding the means of the response?
A . All groups are significantly different from each other.
B . 2XL is significantly different from all other groups.
C . Only XL and 2XL are not significantly different from each other.
D . No groups are significantly different from each other.

Answer: C