The average of the cross-products of Z scores is a better indicator of the relationship between two variables than the sum of the cross-products of Z scores because the average
A) appropriately measures the strength of the relationship whereas the sum does not.
B) appropriately measures the direction of the relationship whereas the sum does not.
C) is converted to a standard scale from -10 to +10 whereas the sum is not.
D) is formed using a combination of the two variables' measurement scales whereas the sum is not.
Question 2
If the correlation between two personality traits is .07, the correlation is considered a
A) weak positive linear correlation.
B) weak negative linear correlation.
C) strong positive linear correlation.
D) strong negative linear correlation.
Subcutaneous drug administration: (a) cross section of skin showing depth of needle insertion;
Although average brain size increases gradually though time in H. erectus, individuals with small br
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The phenotypic and genotypic ratios of a dihybrid cross can be derived using a branched-line method