Home /
Expert Answers /
Statistics and Probability /
need-help-with-this-one-thank-you-a-principal-claims-that-the-students-at-his-school-as-above-aver-pa655
(Solved): need help with this one, thank you! A principal claims that the students at his school as above aver ...
need help with this one, thank you!
A principal claims that the students at his school as above average. To test this claim a random subset of 30 students take an IQ test and have a mean score of 112.5 . Is there sufficient evidence to support the principals claim with 0.05 significance? Note the IQ test is designed to have an expected value of 100 and standard deviation 15 .