the significance level (alpha-level) of a hypothesis are? a. The number which measures how significantly different the null and alternative hypothesis are b. The number that we compared to our P value and gives us the chance of a type one error c. The number that we compare our calculated value of the test statistic to in order to know whether or not to reject HO d. The number which gives the chance of making an error in a statistical investigation

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Q: You test the following hypotheses: Ho: µ = 10 Ha: µ # 10 You calculate a test statistic z = -3.25.…

A: Solution: Given data: Z = -3.25 Confidence level  = 90% Therefore,  significance level  = 0.10

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Q: what is measured by Cohen's d for a hypothesis test with a t statistic?

A: One of the most common ways to measure effect size is Cohen's D. The scale of an effect is how high…

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Q: Consider the following hypothesis test: H0: mu &gt;= 20 Halpha:mu &lt; 20 A sample of 50 provided a…

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A: we have given that  two tailed hypotheses . and z=-3.25  , and alpha =0.10.

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