For the following claim find the null and alternative hypoth
For the following claim, find the null and alternative hypotheses, test statistic, critical value, and draw a conclusion. Assume that a simple random sample has been selected from a normally distributed population. Answer parts a-d. Claim: The mean IQ score of statistics professors is greater than 128 . Sample data: nequals 22, x overbar equals129, sequals 10. The significance level is alpha equals0.05.
Solution
