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Derar Derar
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Posts: 329
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6 years ago
A stanine score of six would have a T-score of
 
  a. 60.
  b. above 50.
  c. between 45 and 55.
  d. between 55 and 65.
  e. below 60.

Ques. 2

Correlating the scores of 50 students on two tests, an investigator found that the sum of the z-score cross-products was 20. The Pearsons product moment coefficient in this case is:
 
  a. impossible to compute with the information given.
  b. .02.
  c. .20.
  d. .40.
  e. None of these are true.

Ques. 3

In order to compute a correlation coefficient between traits A and B, it is necessary to have:
 
  a. one group of subjects, some of whom possess characteristics of trait A, the remainder possessing those of trait B.
  b. measures of trait A on one group of subjects and of trait B on another.
  c. one group of subjects, some of whom have both A and B, some have neither, and some have one but not the other.
  d. two groups of subjects, one which could be classified as A or not A, the other as B or not B.
  e. measure of traits A and B on each subject in one group.

Ques. 4

Which of the following is a bivariate distribution?
 
  a. Incomes of Denver teachers
  b. Reading test scores of 50 children taught by the phonics method
  c. Nursing license examination results for only male candidates
  d. Home-economics aptitude test scores of this year's freshmen
  e. Number of arrests made and years of experience of San Francisco policemen

Ques. 5

Standard deviation is
 
  a. from the same statistical family as the mean.
  b. used in conjunction with the median.
  c. less stable than variance.
  d. a measure of central tendency.

Ques. 6

The mean of the squared deviation scores is called
 
  a. Pearsons r.
  c. variance.
  b. standard deviation.
  d. range.

Ques. 7

Refer to Exhibit 6-5. We want to see how scores on this examination are related to scores on another examination.
 
  a. mean
  c. z-score
  b. standard deviation
  d. Pearsons r
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Replies
wrote...
6 years ago
Answer to #1

B

Answer to #2

D

Answer to #3

E

Answer to #4

E

Answer to #5

A

Answer to #6

C

Answer to #7

D
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