Question

A swimming coach is interested if swimming times differ on different days of the week. He...

  1. A swimming coach is interested if swimming times differ on different days of the week. He randomly assigns 5 of his swimmers to be tested on Mondays and another 5 to be tested on Fridays and the swim times in minutes are presented below:

Monday                                         Friday

3                                                       6

4                                                       4

3                                                       5

2                                                       3

3                                                       5

  1. Present the null and alternate hypotheses (2 pts)
  2. Conduct a t-test for independent groups on the back of the page (25 pts)   
  3. What is the critical value of t (2 pts)
  4. What is your decision with respect to the null hypothesis. (1 pts)
  5. What is the effect size for this independent variable (5 pts)
Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A coach times 6 randomly selected runners to measure their times early in the week and...
A coach times 6 randomly selected runners to measure their times early in the week and at the end of the week (in minutes). Using the parts below, help the coach run a paired t-test to determine if the runners were faster (had lower times) at the end of the week. Use α = 0.05. Runner Monday time Fridays time 1 26.2 25.6 2 25.1 24.6 3 24.8 24.6 4 24.1 24.6 5 25.9 25.2 6 26 25.5 A. State...
A researcher is interested in the effects of a new drug for memory enhancement (MOM) and...
A researcher is interested in the effects of a new drug for memory enhancement (MOM) and finds 18 college student volunteers. She randomly assigns 6 students to each of 3 drug conditions (0 gmd, 10 gms or 20 gms) and then gives each a 15 item list to learn and immediately recall. The retention scores are presented below: 0 grams of MOM Retention Score 10 grams of MOM Retention Score 20 grams of MOM Retention Score                                  8 10 10...
A warden is interested in the ability of two different violence reduction programs to reduce violent...
A warden is interested in the ability of two different violence reduction programs to reduce violent interactions in her prison. To test for differences, the warden randomizes two groups implementing one program to each group. The amount of violent interactions per inmate is presented below. Using α = .05, perform an independent sample t test of significance. Program A Program B 9 8 7 5 7 8 5 3 8 4 7 9 6 6 7 7 8 7 3...
A criminologist is interested in whether there was any disparity in sentencing based on the race...
A criminologist is interested in whether there was any disparity in sentencing based on the race of the defendant. She selected a random sample of 18 burglary convictions and recorded the prison terms given to the 10 white defendants and the 8 black defendants sampled. The sentence lengths (in years) for individuals in the two groups are shown below. Using these data and a .05 alpha level, test the null hypothesis that whites and blacks convicted of burglary in this...
What Statistical Test Should I Use Please indicate the type of test needed to analyze the...
What Statistical Test Should I Use Please indicate the type of test needed to analyze the data described. Hints: Think about the IV and DV.   How many levels of the IV?  Are they repeated measures? Are the data categorical? A. z-test B. One-Sample t-Test C. Dependent Measures t-Test D. Independent Measures t-Test E. One-way ANOVA E. One-way ANOVA F. Post-hoc tests G. Between-Subjects Factorial ANOVA H. Chi-Square test of Independence ________ 1. Compare spatial task scores after 0 or 3 drinks....
As you saw from the lab PowerPoint slides last week, you will be doing a research...
As you saw from the lab PowerPoint slides last week, you will be doing a research study looking at ‘Aggression Priming” for your first paper. For this week’s discussion, I want you to discuss with your group what you think this study is about. What is the hypothesis? What theory does it come from? What do you predict will happen (do you expect something different than the hypothesis in the researcher instructions? If so, what and why?)? Do you think...
Please answer the following Case analysis questions 1-How is New Balance performing compared to its primary...
Please answer the following Case analysis questions 1-How is New Balance performing compared to its primary rivals? How will the acquisition of Reebok by Adidas impact the structure of the athletic shoe industry? Is this likely to be favorable or unfavorable for New Balance? 2- What issues does New Balance management need to address? 3-What recommendations would you make to New Balance Management? What does New Balance need to do to continue to be successful? Should management continue to invest...
Please read the article and answear about questions. Determining the Value of the Business After you...
Please read the article and answear about questions. Determining the Value of the Business After you have completed a thorough and exacting investigation, you need to analyze all the infor- mation you have gathered. This is the time to consult with your business, financial, and legal advis- ers to arrive at an estimate of the value of the business. Outside advisers are impartial and are more likely to see the bad things about the business than are you. You should...
Delta airlines case study Global strategy. Describe the current global strategy and provide evidence about how...
Delta airlines case study Global strategy. Describe the current global strategy and provide evidence about how the firms resources incompetencies support the given pressures regarding costs and local responsiveness. Describe entry modes have they usually used, and whether they are appropriate for the given strategy. Any key issues in their global strategy? casestudy: Atlanta, June 17, 2014. Sea of Delta employees and their families swarmed between food trucks, amusement park booths, and entertainment venues that were scattered throughout what would...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT