A researcher tests a hypothesis about a population mean using sample data. The t-value necessary for statistical significance at the .05 level is:
a. 1.960.
b. 1.645.
c. 1.725.
d. not determinable unless we know sample size.
d
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Indicate whether the statement is true or false.
Research on the intellectual characteristics of children with hearing loss has suggested that the distribution of IQ
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When drop out rates for black and whites from similar social and economicbackgrounds are compared,
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Mr. Bradley wanted to report assessment results about Jeremiah to his father. Mr. Bradley was careful to be honest, communicate for understanding, and
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