For 30 female assistant professors selected at random from arts and science departments in a large state university system, the mean academic year salary is $52,000. The mean salary for a random sample of 50 male assistant professors is $52,800. The same standard deviation are $3000 for females and $3400 for males. a. Construct a 95% confidence interval for the difference in mean salary between male and female assistant professors in this system. Interpret. b. Use the CI in part a to determine what decision you would make in a 2- sided test, using α= 0.05 solution
Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.
You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.
Read moreEach paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.
Read moreThanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.
Read moreYour email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.
Read moreBy sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.
Read more