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BritishGent BritishGent
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6 years ago
Test A has a mean of 60 and a standard deviation of 12 points and test B has a mean of 40 and a standard deviation of 6 points. If each is to have the same effect in determining final class standing, the instructor must:
A) multiply scores on test B by 2.
B) divide scores on test B by 2.
C) multiply scores on test B by 2 and subtract 20 points.
D) add 20 points to scores on test B.
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Using the textbooks:

Statistics for Psychology, 5th Edition (Aron)
Measurement and Evaluation in Psychology and Education, 8th Edition (Thorndike)
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ErhardtErhardt
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6 years ago
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BritishGent Author
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#2
6 years ago
 I am very glad that i decided to get help from here
Using the textbooks:

Statistics for Psychology, 5th Edition (Aron)
Measurement and Evaluation in Psychology and Education, 8th Edition (Thorndike)
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