A consumer analyst asks participants to rate the comfort of the ride for two brands of all-terrain tires-Trail Cushion and Mud Handler. Trail Cushion is rated more comfortable with a mean of 5.5 than Mud Handler, which is found to have a mean of 4.3. The Type I error would be to conclude that Trail Cushion is:
A)more comfortable than Mud Handler when a true difference in comfort exists.
B)no more comfortable than Mud Handler when Trail Cushion is actually more comfortable.
C)no more comfortable than Mud Handler when no difference in comfort exists.
D)more comfortable than Mud Handler when the two tires are equally comfortable.

Question

Quizplus · Accepted Answer

A Type I error occurs when the null hypothesis is incorrectly rejected, meaning that a difference is concluded when there is none.

A Consumer Analyst Asks Participants to Rate the Comfort of the Ride