Question: A student believes that the average grade on the statistics final examination was 86. A sample of 36 past final examinations was taken. The average

A student believes that the average grade on the statistics final examination was 86. A sample of 36 past final examinations was taken. The average grade in the sample was 84.97 with a standard deviation of 12.Using the p-value approach, test the hypotheses at the 5% level of significance. Find the p-value. (Round your answer to four decimal places.) p-value =

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

You will need a calculator and t-tables. Show all of your work. Take calculations out to the 4th decimal place. Do not round up or down. IMPORTANT: Question #4 requires that you attach a file....

A student believes that the average grade on the statistics final examination is 87. A sample of (n) 36 final examinations is taken. The average grade in the sample is (*) 82. The population standard...

A student believes that the average grade on the statistics final examination was 87. A sample of 36 past final examinations was taken. The average grade in the sample was 83.96 with a standard...

A student believes that the average grade on the statistics final examination was 87. A sample of 36 final examinations was taken. The average grade in the sample was 83.96 with a standard deviation...

1 1 pts A simple random sample of 28 observations was taken from a large population. The sample mean equaled 50. Fifty is a _____. Group of answer choices point estimator population parameter point...

11 The z value for a 97.8% confidence interval estimation is _____. Group of answer choices 1.96 2.02 2.00 2.29 Flag question: Question 12 The practice of concluding "do not reject H0" is preferred...

STAT 200: Introduction to Statistics Final Examination, Spring 2017 OL4/US2 Page 1 of 8 STAT 200 OL4 / US2 Sections Final Exam Spring 2017 This is an open-book exam. You may refer to your text and...

STAT 200: Introduction to Statistics Final Examination, Fall 2017 OL4 Page 1 of 9 STAT 200 OL4/US2 Sections Final Exam Fall 2017 The final exam will be posted at 12:01 am on December 15, and it is...

STAT 200: Introduction to Statistics Final Examination, Spring 2016 OL1/US1 Page 1 of 7 STAT 200 OL1/US1 Sections Final Exam Spring 2016 The final exam will be posted at 12:01 am on March 4, and it...

A normal population has a mean of 75 and a standard deviation of 7. You select a sample of 38. Use Appendix Bel for the zvalues. Compute the probability that the sample mean is: (Round the z-values...

A 0.150 M sodium chloride solution is referred to as a physiological saline solution because it has the same concentration of salts as normal human blood. Calculate the mass of solute needed to...

15. Golden rice is a transgenic crop of the future with the following improved trait. (1 Point) High lysine content High vitamin A content Insect resistance High protein content

Which of the following statements describes a liquidity premium? Group of answer choices It is a premium added by investors to the real risk - free rate of return to account for inflation that is...

You are considering investing in a scholarship fund for your daughter. The fund operates in the following way: Starting in one month's time you would make regular monthly deposits of $50 for a period...