An elementary school claims that the standard deviation in reading scores of its fourth grade students is less than 3.75. Determine whether the hypothesis test for this claim is left-tailed, right-tailed, or two-tailed.
A)left-tailed
B)right-tailed
C)two-tailed

Question

Quizplus · Accepted Answer

The hypothesis is testing if the standard deviation is less than a specific value, which indicates a left-tailed test.

An Elementary School Claims That the Standard Deviation in Reading