Measurement and Methodology-Statistical Procedures [GRE (Graduate Record Examinations) Psychology]: Questions 14 - 16 of 27

Access detailed explanations (illustrated with images and videos) to 495 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 300.00 -OR-

How to register? Already Subscribed?

Question 14

Statistical Procedures
Edit

Question

MCQ▾

Which of the following is NOT true of the Chi Square statistic?

Choices

Choice (5)Response
a.It makes no assumptions about population parameters.
b.It does not assume that the variance between two groups is equal.
c.It should be used with nominal data.
d.It is based on expected frequencies.
e.It is a parametric test.

Question 15

Statistical Procedures
Edit

Question

MCQ▾

The members of a sample who deviate from the mean by a standard deviation expressed as a Z-score of 3 represent

Choices

Choice (5)Response
a.outliers
b.the most frequent two-thirds of the sample
c.members of the sample who are most likely to appear three times more frequently than other members of the sample
d.members of the sample who are most likely to appear six times more frequently than other members of the sample
e.the most frequent third of the sample

Question 16

Statistical Procedures
Edit

Question

MCQ▾

A normal distribution of 2000 scores has a mean of 150 and a standard deviation of 6. Jenny received a 162. Each of the following is true of her score EXCEPT

Choices

Choice (5)Response
a.approximately 68 % of student scored lower than she did
b.approximately 48 % of the total scores lie between her score and the mean
c.her score is equivalent to a z-score of + 2
d.her score is two standard deviations from the mean
e.her percentile rank is approximately the 98th percentile