If a simple Pearson correlation value = .75, what percentage of variance is unaccounted for?

a. 25%
b. 44%
c. 56%
d. 75%


Ans: b

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Ms. Singlar, a tenth-grade history teacher, has Nita who is musically gifted in her class. Ms. Singlar decides that the class will begin a unit on the American Revolution. A final assessment for the class is to produce a 15-page research paper on the role of Africans in the American Revolution. Knowing of Nita's musical talent, Ms. Singlar plans to allow Nita to create an opera on the same topic as a final assessment. What method of differentiation is Ms. Singlar using with Nita?

A. Content B. Process C. Product D. Material

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The hormone dopamine serves what function?

A. It makes you feel good B. It protects you from pain C. It helps you sleep D. It boosts your memory

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A researcher calculates a value of –.90 for a Pearson correlation. You would BEST describe this relationship as ______.

a. weak positive b. weak negative c. strong positive d. strong negative

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Exclusion policies are put in place to help prevent the spread of infections.?

Indicate whether the statement is true or false.

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