Question : 21. Which of the following data sets would have a normal : 1201774

 

 

21. Which of the following data sets would have a normal distribution? 
A. 1, 1, 1, 4, 7, 7
B. 1, 2, 3, 3, 4, 5
C. 1, 2, 2, 2, 2, 2
D. 1, 3, 4, 8, 9, 9

22. Julie has just received her scores on the Scholastic Achievement Test (SAT) and learned that her score was at the 84th percentile. Julie’s score represents a standard score of 
A. 1.
B. 2.
C. 16.
D. 84.

23. If an IQ test is constructed to have a mean of 100 and a standard deviation of 16, approximately what percentage of scores falls between 84 and 116? 
A. 34%
B. 95%
C. 68%
D. 50%

24. Missa is looking at a normal distribution of test scores for her Psychology 101 class. If she wanted to know how many scores in the data set are below a passing grade level, she would likely 
A. run a t test.
B. conduct an analysis of variance.
C. calculate the mean, median, and mode scores.
D. determine the percentile score.

25. Richard Simmons wants to know whether his original weight-loss system (Simmons I) is as effective as his new weight-loss system (Simmons II). His results indicate that people on Simmons I lose an average of 28.5 pounds in 6 months and people on Simmons II lose an average of 30.1 pounds in 6 months. What type of statistics should Richard use to determine whether the Simmons II system is really better than the Simmons I system? 
A. Inferential
B. Descriptive
C. Standard
D. Variable

26. Inferential statistics provide 
A. a measure of how likely it was that a result came about by chance.
B. a correlation between the dependent variable and the independent variable.
C. information about the variability of the data.
D. a summarization of a pool of data.

27. In conducting a t test, all of the following are used to determine whether your data have statistical significance except 
A. difference in means.
B. standard deviation of scores in each group.
C. difference in medians.
D. sample size of each group.

28. In Diti’s study, employees who listened to rap music produced an average of 5.71 units and employees who listened to polka music produced an average of 2.71 units. To see if the difference between these means is statistically significant, Diti should 
A. calculate a correlation coefficient.
B. examine the medians.
C. conduct a t test.
D. calculate percentile scores.

29. If your research study had more than two experimental/control groups and more than one independent variable, you would have to use which of the following to interpret the results: 
A. A frequency histogram
B. An analysis of variance
C. A t test
D. A correlation coefficient

30. Eunice is a new elementary school principal. One of her first projects is to determine whether students have been appropriately assigned to either the Sparrow, Blue Jay, or Robin reading group. She administers the Miller Reading Ability Test (MRAT) to all three groups. What statistical analysis should Eunice use to compare the means of the three groups? 
A. Analysis of variance
B. Correlational coefficients
C. Standard deviation
D. t test

 

 

Place your order
(550 words)

Approximate price: $22

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
$26
The price is based on these factors:
Academic level
Number of pages
Urgency
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

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.

Money-back guarantee

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 more

Zero-plagiarism guarantee

Each 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 more

Free-revision policy

Thanks 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 more

Privacy policy

Your 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 more

Fair-cooperation guarantee

By 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