Statistics exercise 3 | Statistics homework help

Statistics Exercise III
These weekly exercises provide the opportunity for you to understand and apply statistical methods and analysis.

All assignments MUST be typed, double-spaced, in APA style and must be written at graduate level English, citing the text in APA format.

#1.  For each example, state whether the one-sample, two-independent-sample, or related-samples t test is most appropriate. If it is a related-samples t test, indicate whether the test is a repeated-measures design or a matched-pairs design.             A professor tests whether students sitting in the front row score higher on an exam than students sitting in the back row.A graduate student selects a sample of 25 participants to test whether the average time students attend to a task is greater than 30 minutes.A researcher matches right-handed and left-handed siblings to test whether right-handed siblings express greater emotional intelligence than left-handed siblings.A principal at a local school wants to know how much students gain from being in an honors class. He gives students in an honors English class a test prior to the school year and again at the end of the school year to measure how much students learned during the year.
#2.  How does estimation differ from hypothesis testing in terms of the decisions researchers make?

#3.  Explain how to determine the effect size of an outcome based on the limits stated for a confidence interval. 

Use SPSS and the provided data to answer the following questions.  Round your answers to the nearest dollar, percentage point, or whole number. 

#4.  Test the age of the participants (AGE1) against the null hypothesis H0 = 34.  Use a one-sample t-test.  How would you report the results? A.t = -1.862, df = 399, p > .05  B.t = -1.862, df = 399, p < .05  C.t = 1.645, df = 399, p > .05  D.t = 1.645, df = 399, p <  .05

#5.  Test to see if there is a significant difference between the age of the participant and the age of the partner.  Use a paired-sample t-test and an alpha level of 1%.  How would you interpret the results of this test? A.The partners are significantly older than the participants.  B.The partners are significantly younger than the participants  C.The age of the participants and partners are not significantly different.  D.Sometimes the partners are older, sometimes the participants are older.

#6.  Look at the correlation between Risk-Taking (R) and Relationship Happiness (HAPPY).  Use the standard alpha level of 5%.  How would you describe the relationship? A.The relationship is non-significant.  B.There is a significant negative relationship.  C.There is a significant positive relationship.  D.The correlation is zero.

#7.  If you randomly chose someone from this sample, what is the chance that they described their relationship as either Happy or Very Happy? A.32%  B.37%  C.56%  D.69%

#8.  Perform independent sample t-tests on the Lifestyle, Dependency, and Risk-Taking scores (L, D, and R) comparing men and women (GENDER1).  Use p < .05 as your alpha level.  On each of the three scales, do men or women have a significantly higher score? A.Lifestyle: Men, Dependency: Women, Risk-Taking: Men.  B.Lifestyle: Not significantly different, Dependency: Women, Risk-Taking: Men  C.Lifestyle: Women, Dependency: Women, Risk-Taking: Men  D.Lifestyle: Men, Dependency: Men, Risk-Taking: Not significantly different
Assignment Outcomes:

Assess the concepts underlying appropriate use of various research methodologies 

Analyze how to recognize the inappropriate or deceptive use of research methodology 

Compare/contrast the basic assumptions underlying various statistical operations Summarize the consequences of using various methodological approaches Differentiate between the appropriate and inappropriate application and interpretation of research methods and statistics 

Essay Help
Calculate your paper price
Pages (550 words)
Approximate price: -

Why Work with Us

Top Quality and Well-Researched Papers

We always make sure that writers follow all your instructions precisely. You can choose your academic level: high school, college/university or professional, and we will assign a writer who has a respective degree.

Professional and Experienced Academic Writers

We have a team of professional writers with experience in academic and business writing. Many are native speakers and able to perform any task for which you need help.

Free Unlimited Revisions

If you think we missed something, send your order for a free revision. You have 10 days to submit the order for review after you have received the final document. You can do this yourself after logging into your personal account or by contacting our support.

Prompt Delivery and 100% Money-Back-Guarantee

All papers are always delivered on time. In case we need more time to master your paper, we may contact you regarding the deadline extension. In case you cannot provide us with more time, a 100% refund is guaranteed.

Original & Confidential

We use several writing tools checks to ensure that all documents you receive are free from plagiarism. Our editors carefully review all quotations in the text. We also promise maximum confidentiality in all of our services.

24/7 Customer Support

Our support agents are available 24 hours a day 7 days a week and committed to providing you with the best customer experience. Get in touch whenever you need any assistance.

Try it now!

Calculate the price of your order

Total price:

How it works?

Follow these simple steps to get your paper done

Place your order

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Receive the final file

Once your paper is ready, we will email it to you.

Our Services

No need to work on your paper at night. Sleep tight, we will cover your back. We offer all kinds of writing services.


Essay Writing Service

No matter what kind of academic paper you need and how urgent you need it, you are welcome to choose your academic level and the type of your paper at an affordable price. We take care of all your paper needs and give a 24/7 customer care support system.


Admission Essays & Business Writing Help

An admission essay is an essay or other written statement by a candidate, often a potential student enrolling in a college, university, or graduate school. You can be rest assurred that through our service we will write the best admission essay for you.


Editing Support

Our academic writers and editors make the necessary changes to your paper so that it is polished. We also format your document by correctly quoting the sources and creating reference lists in the formats APA, Harvard, MLA, Chicago / Turabian.


Revision Support

If you think your paper could be improved, you can request a review. In this case, your paper will be checked by the writer or assigned to an editor. You can use this option as many times as you see fit. This is free because we want you to be completely satisfied with the service offered.