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Examine the power and degrees of freedom

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Question: Power and degrees of freedom. In an explanation regarding the use of t tests, Zimmerman (2012) implied that power is greater for a test associated with n - 1 degrees of freedom compared to a test associated with N- 2 degrees of freedom-assuming that the total sample sizes are equal (i.e., n = N). Based on the information provided,

(a) Which t test is associated with n- 1 degrees of freedom? Which t test is associated with N-2 degrees of freedom?

(b) Referring to the t table, explain why the statement about power is true.

Reference no: EM131672947

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