Which is the process of gathering evidence supporting inferences based test scores? a) Prediction b) Validation c) Validity d) Reliability

A sample of university students has an average weight of 74.6 kg. Which of the following is an impossible value for the standard deviation?

a) 74.6
b) 12.4
c) -12.4
d) 0.0
The mean, median and mode can never all be the same.
The mean score of an assessment for all subjects in a medical study was 2.77. A subject with a score of 2.0 wants to know her relative standing in relation to the mean score. A numerical summary that would be useful for this purpose is the
a) median
b) standard deviation
c) the number of subjects in the study
d) interquartile range
The median of a Normal distribution enables us to calculate:

a) The size of the variable
b) The location of the peak of the distribution
c) The total area under the Normal curve
d) None of the above
In a survey of 750 Americans conducted by the Gallop organisation, 24% indicated a belief in reincarnation. Using the appropriate methods to predict the confidence interval for all Americans, the percentage believing in reincarnation falls between 21% and 27%. The prediction is an example of
a. descriptive statistics
b. a data file
c. inferential statistics
d. designing a study
A Normal distribution will have (SELECT ALL THAT APPLY):
a) A bell shaped curve
b) Exactly 50% of the distribution will be on either side of the mean
c) The mean and median will be identical
d) A mean of zero and a standard deviation of 1
Which is the process of gathering evidence supporting inferences based test scores?
a) Prediction
b) Validation
c) Validity
d) Reliability
Which of the following statements accurately describes test-retest reliability?
a) Measure of consistency with which a test measures a single construct or concept
b) Measure of degree of agreement between two or more scorers, judges, or raters
c) Measure of consistency of scores obtained from two equivalent halves of the same test
d) Measure of consistency of test scores over time

Order a unique copy of this paper
(550 words)

Approximate price: $22

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

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:
The price is based on these factors:
Academic level
Number of pages

Order your stats paper today and save 7% with the discount code SPSS7