How would a researcher interpret an r2 value of .05?

a. 95% of the variance in one variable is explained by another variable.
b. 5% of the variance in one variable is explained by another variable.
c. .5% of the variance in one variable is explained by another variable.
d. .05% of the variance in one variable is explained by another variable.


b. 5% of the variance in one variable is explained by another variable.

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A school employee who "knew or should have known" of child abuse or neglect and failed to report may be subject to

a. Criminal prosecution and imprisonment. b. A monetary fine. c. Disciplinary action by the school board. d. All of the above

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Voice projection practice is best done from a low place such as an orchestra pit or a first-floor window

a. True b. False Indicate whether the statement is true or false

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What technology resource is ideal for collecting data during scientific inquiry activities and downloading and storing it for later manipulation in a spreadsheet?

A. calculator-based labs (CBL) B. computer algebra systems (CAS) C. global positioning systems (GPS) D. dynamic geometry software (DGS)

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Which of the following is not a behavior:

a. smiling b. laughing c. feeling sad d. crying

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