Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
In May 1998, the New York Times carried an article by Adam Bryant describing a research project to relate two rather diverse phenomena: the performance of a Fortune 500 company, and the golf game of its CEO. Before we go further, you should read this article.Bryant, Adam (May 31, 1998). Duffers Need Not Apply, The New York Times. Section 3; Page 1; Column 1 You may use our library to retrieve it . You may click here for a quick access.Are you convinced now? If so perhaps it is time to pack up the statistical tools in their tool bag and break out the golf bag. Or perhaps it's just time to sharpen those statistical tools a little, and see just what underlies this case.The data described in the Bryant study can be found here using this SPSS data set already created.The Bryant article reports its conclusion based on a subset of 44 cases from the 51 in the data set. This time we will use the whole dataset. Let us seperate them into three groups. This involves identifying 14 low performing companies, 25 middle performing companies, and 12 high-performing companies based on StockRate.The next step is to decide whether these differences are real or not. The article makes the claim that they are; see what you find. A good first step would be to calculate confidence intervals for the means of the three groups. Prepare graphs of confidence intervals for the means of handicap for each of the groups. Interpret the results.Now let us try the t-tests. You should conduct independent samples t-tests to decide whether the differences between the groups are supported. Let us work on group 1 vs. group 2 for Stockrate. Then group 2 vs. group 3 for Stock rate.When we want to test multiple groups, we would need to use ANOVA test. Let us using ANOVA (and follow up pair-wise t tests if necessary). Interpret the results. You are welcome to draw the confidence intervals and compare them.Transfer your output to Word® and format it in an appropriate manner. In your paper, address the following issues.• the value of the Bryant article as a description of credible research on management• The nature of the hypothesis being tested, and the appropriateness of the statistical procedures employed in that test. You may illustrate your points using the tests you conducted.• 7 out of 51, that is about 14% of the data. Is removing 14% of the data an acceptable approach?• How should we remove the outliers? Is t-test or ANOVA sensetive to outliers?• Your evaluation of the discussion of the research, as reported by Bryant. Why people may think that there is a relationship between golf and firm performance. If you are going to study such relationship, how would you collect data and carry out the study?• Your evaluation of why the New York Times published the article, and why it continues to get attentionThe paper is usually between 5- 12 pages long.
What is the test statistic? Give answer to three decimal places What is the critical value? Give answer to three decimal places. The proper conclusion is to reject H0.
Understand autocorrelation and multicollinearlity in reference to the following questions. What type of regression is it common in? When is it likely to occur? What is its negative impact? How do we see if it exists? If found, how is it eliminated..
How can these three levels be used to evaluate risk to patients in implementing decisions based on research findings? a statistical significance of p
A leasing firm claims that the mean number of miles driven annually,M , in its leased cars is less than 13020 miles. A random sample of 90 cars leased from this firm had a mean of 12750 annual miles driven.
Produce the summary output and give the estimated equation for your chosen model and find a suitable regression model to predict y2 using x2 as an explanatory variable. Comment on the output used and justify your choice of model.
What sample size would be needed to estimate he population mean to within one-half standard deviation with 95% confidence?
People were polled on how many books they read the previous year. How many subject are needed to estimate the number of books read the previous year within one book with 99% confidence?
By using the normal distribution to approximate the desired probability.
A point estimate for the difference between the mean purchases of the users of the two credit cards is:
An article reports that when each football helmet in a random sample of 44 suspension-type helmets was subjected to a certain impact test, 25 showed damage.
How can standardized z-scores be used to compare people across different contexts, such as the batting averages of two players -one who played in the 1970s and one who played in the 1990s?
Suppose an engineer proposes a new model that will weigh 3100 pounds. What could we expect the miles per gallon in the city performance would be?
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd