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September 1, 2014

September 1, 2014

Posted by **bill** on Tuesday, April 19, 2011 at 11:11pm.

2a. Use the critical value z0 method to test the hypothesis.

(References: example 7 through 10 pages 385 - 388, end of section exercises 39 – 44 pages 392 - 393) (6 points)

H0: u≤0.35

Ha: u>0.35

Critical z0:

Decision:

Interpretation:

- statistics -
**PsyDAG**, Wednesday, April 20, 2011 at 11:42amZ = (mean1 - mean2)/standard error (SE) of difference between means

SEdiff = √(SEmean1^2 + SEmean2^2)

SEm = SD/√(n-1)

If only one SD is provided, you can use just that to determine SEdiff.

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion

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