The writer is very fast, professional and responded to the review request fast also. Thank you.
A random sample of 13 men and 19 women in a college class reported their grade point average (Histograms were provided): Summary statistics for these data are: _ y s Men 2.898 0.583 Women 3.330 0.395 A woman in the class says she believes that college women tend to have higher GPAs than do college men. Does this sample support her claim? BEFORE jumping to a conclusion, follow these steps to reach a conclusion: 1. State the null and alternative hypotheses. 2. How would you use the histograms to help analyze this problem? 3. Do you calculate a z- or t-test statistic? Why? 4. Do you follow the procedure for comparing two independent means or paired samples? 5. Calculate the test statistic using MegaStat. Also, check the confidence interval box so you can answer #8. 6. Using an a=0.05 level, reach your decision and state your conclusion in context. 7. Regardless of the statistical significance, do you think that the difference in GPA between men and women in this data is of practical importance? 8. State the confidence interval obtained as a byproduct of your hypothesis test. Interpret what this confidence interval means.
Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.
You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.
Read moreEach paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.
Read moreThanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.
Read moreYour email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.
Read moreBy sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.
Read more