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If the alpha level is set at 0
If the alpha level is set at 0.01, then what is the result of likelihood of a significant result occurring, due to mere chance?
2. Four pairs of data yield r = 0.942 and the
Regression equation =3x.
Also, y-bar =12.75.
What is the best predicted value of y for x=2.6?
3. What should be used as a sample of N =45...a z-test or t-test??
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