The writer is very fast, professional and responded to the review request fast also. Thank you.
Assignment 7
Statistics Exercise II
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. Define “power” in relation to hypothesis testing.
#2. Alpha (a) is used to measure the error for decisions concerning true null hypotheses. What is beta (ß) error used to measure?
#3. In the following studies, state whether you would use a one-sample t test or a two-independent-sample t test.A study testing whether night-shift workers sleep the recommended 8 hours per dayA study measuring differences in attitudes about morality among Democrats and RepublicansAn experiment measuring differences in brain activity among rats placed on either a continuous or an intermittent reward schedule Use SPSS and the provided data to answer the following questions. Round your answers to the nearest dollar, percentage point, or whole number.
#4. What is the Pearson r correlation between participants’ ages and the age of their partners (AGE1, AGE2)? A..000 B..413 C..622 D..822
#5. What is the mean and standard deviation for the Lifestyle score (L)? A.31.22, 7.99 B.36.19, 8.54 C.30.03, 7.28 D.55, 13
#6. What is the regression equation that would best predict relationship happiness (HAPPY) from the Lifestyle (L) score? A.HAPPY = L – .143 B.HAPPY = .23L – 4.5 C.HAPPY = .42L + .23 D.HAPPY = 4.47 – .018L
#7. The Lifestyle score (L) measures the degree to which a participant desires a luxurious lifestyle. The Dependency score (D) measures the degree to which a participant expects others to provide financial support. Compute the correlation between these two variables. Which of the statements below best describes the relationship?
A.People who want a more frugal lifestyle tend to be more financially dependent. B.People who want a more luxurious lifestyle tend to be more financially dependent. C.People who want a more luxurious lifestyle tend to be less financially dependent. D.There is no relationship between desired lifestyle and financial dependency.
#8. The first case shown in the data file is a firefighter with a financial Risk-Taking score (R) of 38. What is his Risk-Taking z-score (hint: you will need to find the Risk-Taking mean and standard deviation)?
A.0.179 B.-0.223 C.1.342 D.-1.223
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
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