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.
Question 2
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
On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a
Metastasis Cancer Order
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