Mathematics, 23.03.2021 01:00, shri1301

A university president believes that over the past few years, the mean age of students attending his university has decreased. To test this hypothesis, a study is conducted in which the age of 150 students who have been randomly sampled from the student body is measured. The mean age is 21.5 years. A complete census taken at the university a few years prior to the study showed a mean age of 23.5 years, with a standard deviation of 8.5. Test using a 1% level of significance. What is the null hypothesis?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:30, andile64

What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi

Answers: 1

continue

Mathematics, 21.06.2019 17:00, ayoismeisalex

Describe what moves you could use to create the transformation of the original image shown at right

Answers: 1

continue

Mathematics, 21.06.2019 17:00, lexiiiee

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Answers: 1

continue

Mathematics, 21.06.2019 21:00, jennybee12331

Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement

Answers: 2

continue

Do you know the correct answer?

A university president believes that over the past few years, the mean age of students attending his...