A researcher sets his decision criteria at p = .05.  That is, she decides that she will reject the null hypothesis if the z – value she computes for a z-test would be obtained by chance alone at a probability of .05 or lower.  What is this researcher’s probability of making Type I error?

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A: The formula to find the chi-square test statistic is, ?2=∑(fi-ei)2/ei

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Q: (f) Interpret the slope. Select the correct choice below and, if necessary, fill in the answer box…

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Q: If X has the p.d.f f(x)= [x,0<x<1 10, otherwise find the p.d.f of Y = 8X³.

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A: Given: n = 6 Formula Used: Test-statsitic t = d-μdsdn Confidence Interval = d ±t*sdn

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Q: .) The breaking strengths of cables produced by a certain manufacturer have a standard deviation of…

A: As per our guidelines we are suppose to answer only one question kindly post the remaining questions…

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