Question: A researcher is using a one-tailed hypothesis test with = .01 to evaluate the effect of a treatment. If the critical/cut-off value is t =

A researcher is using a one-tailed hypothesis test with = .01 to evaluate the effect of a treatment. If the critical/cut-off value is t = 2.479, how many individuals are in the sample?

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!

17. Keeping everything else constant, if we changed from a one-tailed to a two-tailed test, we would expect power to: a. Remain unchanged b.Decrease c. Increase d. It is impossible to determine 18....

1. The following sample of n=6 scores was obtained from a population with unknown parameters. Scores: 5, 5, 3, 4, 6, 7 a. Compute the sample mean and standard deviation. (Note that these are...

For a particular population, a sample of n = 100 scores has an expected mean value of 30. For the same population, a distribution of sample means with samples of n = 25 scores would have an average...

Which of the following is an accurate definition for the power of a statistical test? a.The probability of supporting a false null hypothesis b.The probability of rejecting a false null hypothesis...

1. Although there is a popular belief that herbal remedies such as Ginkgo biloba and Ginseng may improve learning and memory in healthy adults, these effects are usually not supported by well...

A researcher expects a treatment to increase the scores. The treatment is evaluated using a one-tailed hypothesis test, and the obtained (or 'calculated'j value is z = +1.?2. Based on this result,...

Complete the following exercises from "Review Questions" located at the end of each chapter and put them into a Word document to submit to the instructor. 1.Chapter 9, number 9.13 9.13 Given a sample...

A researcher is conducting an experiment to evaluate a treatment that is expected to decrease the scores for individuals in a population which is known to have a mean of m 5 80. The results will be...

CHAPTER 9 Hypothesis Tests CONTENTS 9.4 POPULATION MEAN: UNKNOWN One-Tailed Test Two-Tailed Test Summary and Practical Advice 9.5 POPULATION PROPORTION Summary 9.6 HYPOTHESIS TESTING AND DECISION...

Week 6 PSY/CJ 315 Due 11/13/16 Name: ________________________ 1. The following sample was obtained from a population with unknown parameters. Scores: 13, 7, 6, 12, 0, 4 a. Compute the sample mean and...

To buy a new house, you must borrow $150,000. To do this, you take out a $150,000, 30-year, 10 percent mortgage. Your mortgage payments, which are made at the end of each year (one payment each...

Find the cash flow to creditors for 2011 by parts and total, with the parts being interest income paid and increases inborrowing. Partial Income Statement Year Ending 2011 Sales Revenue COGS Fixed...

5.93 Drinking Coffee The data collected in 20112012 by Australian Bureau of Statistics asked whether people consumed coffee and coffee substitutes on a daily basis. The table gives the total number...

The difference between Make to Order ( MTO ) and Assemble to Order ( ATO ) process strategies is that and MTO strategy uses raw inputs to make the finished product, whereas the ATO strategy uses...

1. Many inspirational speakers attempt to take the audience on an emotional journey. They try to erase cynicism and complacency and get employees fired up about their jobs. Do you think organizations...

3. Would you like to work at a Stew Leonards retail store? Develop your rationale for employment or nonemployment.

2. Benoit Vincent was able to become a more effective manager after completion of certain personality profile instruments (the MBTI for example), participating in a series of one-on-one workplace...