Question: In Case Study 6.1, a study was described that compared scores on a mock GRE exam for students who had learned and practiced meditation and

In Case Study 6.1, a study was described that compared scores on a mock GRE exam for students who had learned and practiced meditation and students who had taken nutrition class (Mrazek et al., 2013). Although the analysis used by the researchers was somewhat complicated, for simplicity in this exercise, suppose the measure of interest was the difference in mean GRE scores for the two groups. The researchers were interested in showing that practicing meditation boosts mean GRE scores.
a. The null hypothesis can be stated as “Population mean difference = null value.” What is the null value?
b. Write the alternative hypothesis for this situation.
c. Describe what a type 1 error would be in this situation.
d. Describe what a type 2 error would be in this situation.
e. Discuss the consequences of the two types of errors in this situation. Which error do you think is more serious? (There is no correct answer; it is your reasoning that counts.)

Step by Step Solution

★★★★★

3.38 Rating (173 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a 0 b Population mean GRE score if everyone were to practice meditation is higher than t... View full answer

Question Has Been Solved by an Expert!

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

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

591-M-S-H-T (3147).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

In Case Study 6.4, which examined maternal smoking and childs IQ, one of the results reported in the journal article was the average number of days the infant spent in the neonatal intensive care...

For the research described in Case Study 6.2, the goal was to find out if eating breakfast cereal was associated with a reduction in body mass index ( BMI) for children (Frantzen et al., 2013)....

The news story discussed in Case Study 6.5 (pp. 132- 133) was head-lined NIH study finds that coffee drinkers have lower risk of death (www.nih.gov). The news story was based on an article published...

Strategic Leadership Real Life Case Study Assignment (Individual Basis) Purpose of the learning activity: This project will allow the students to use the concepts of Strategic Leadership learned over...

Please read the question Question : What are "spaced practice", "varied practice", and "interleaved practice"? Give a definition for each. Then give an example of each from your own experience as a...

Week 2: Understanding and Exploring Assumptions You will submit one Word document, including your SPSS output. 1. Why do we care whether the assumptions required for statistical tests are met? (Tip:...

Describing Data Once we have collected data from surveys or experiments, we need to summarize and present the data in a way that will be meaningful to the reader. We will begin with graphical...

QUESTIONS TO BE ANSWER IN ENGLISH LANGUAGE a brief analysis in 200-400 words in which you do the following: Explain what methods the leaders used to measure organizational performance. Were their...

In how many ways can 3000 identical envelopes be divided, in packages of 25, among four student groups so that each group gets at least 150, but not more than 1000, of the envelopes?

The same individual taxpayer is both a 50% partner in a partnership and the 50% shareholder in an S-Corp. Both firms borrow $100,000 from a local bank. The taxpayer signs a personal guarantee for...

Question content area bottomPart 1 TermDefinition 1 . Internal controlc. Requires companies to review internal control and take responsibility for the accuracy and completeness of their financial...

Consider the null hypothesis that there is no difference between the likelihood of bankruptcy of firms that were established more than three years ago and firms that were established less than three...

x = 35, n = 50, 99% level. a. Use the one-proportion plus-four z-interval procedure, as discussed on page 449, to find the required confidence interval. b. Compare your result with the corresponding...

This exercise involves the use of an unrealistically small population to provide a concrete illustration for the exact distribution of a sample proportion. A population consists of three men and two...

x = 40, n = 50, 95% level. a. Use the one-proportion plus-four z-interval procedure, as discussed on page 449, to find the required confidence interval. b. Compare your result with the corresponding...

You are considering a stock investment in one of two firms (NoEquity, Inc., and NoDebt, Inc.), both of which operate in the same industry and have identical operating income of $27.5 million....

questions 1-3 PLEASE HELP ME Ratio Analysis at S\&S Air, Inc. the ovapuxy tan complede the mualactare of an in plane teder is paced Maik and Tinsd yete frondid the fimmeing Ex meal E.ESTHUSS Mis....

3. Marketing managers at Home Office Systems, which markets word-processing software to the household consumer, are in the process of preparing annual forecasts and budgeting. Based on their...