What is the test value for hypothesis test

Reference no: EM1390242

At a university, the average cost of books per student has been $400 per student per semester. The Dean of Students believes that the costs are increasing and that the average is now greater than $400. He surveys a sample of 40 students and finds that for the most recent semester their average cost was $430 with a standard deviation of $80. What is the test value for this hypothesis test?

Reference no: EM1390242

Questions Cloud

Create a treatment train of tertiary wastewater treatment : Create a treatment train of tertiary wastewater treatment that includes physical treatment, nutrient removal, and sludge treatment.

Convince person to purchase oreos : Write two paragraphs to convince this person to purchase OREOS and another to convince this person not to purchase OREOS.

Confidence interval for the mean score : The 2009 National Assessment of Educational Progress (NAEP) gave a mathematics test to a random sample of eighth-graders in Texas. The mean score was 287 out of 500. To give a confidence interval for the mean score of all Texas eighth-graders, you..

Aerobic carbon cycle and anaerobic carbon cycle : Discuss and explain the differences between aerobic carbon cycle and anaerobic carbon cycle. You can copy the graph from the book.

What is the test value for hypothesis test : He surveys a sample of 40 students and finds that for the most recent semester their average cost was $430 with a standard deviation of $80. What is the test value for this hypothesis test?

Shape of sample-value of estimate : What type of shape would you expect the histogram of the sample size to have? What value would you estimate for the mean of the histogram of sample means?

Calculate level of genetic differentiation in subpopulations : Pretend that our class conducted a lab on the population genetics of squirrels in Utah. The class was split into three group and sent to different areas of the state to collect DNA samples.

Space-time permutation and space-time : In StaTScan what is the difference between a spatial cluster size to 25% of the population risk and one with 50% window ? In StaTScan what is the difference between space-time permutation and space-time?

Contrast advantages and disadvantages on just-in-learning : Describe your personal experiences with just-in-time learning. Reflect on a job interview or evaluation where you felt that you were unfairly treated.

User Account

All Pages