Find the t-values that form the boundaries of the critical region for a two-tailed test with alpha of .05 for the n = 15
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Find the t-values that form the boundaries of the critical region for a two-tailed test with alpha of .05 for the n = 15
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- Find the t values that form the boundaries of the critical region for a two-tailed test with α = 0.05 for a sample size of 12.If you calculate r2 and get 0.25, this should be interpreted as a effect. Small O Medium Large GinormousFind the t values that form the boundaries of the critical region for a two-tailed test with a = 0.10 for a sample size of ni = 10 & n2 = 12
- A random sample of size n = 19 observations was drawn from a normal population with variance o? = 3.1. The sample mean was = 22.5. The researcher's interest was to defend that the population mean u > 25. What is the critical region (aka rejection region) for the test a = 0.05? Drawing a picture may be helpful. Draw your conclusion. Calculate the power of the test when the alternative value for u = 27.Find the z-score that defines α=0 .05 and α=.01 critical regions for a one-tail test? 8. Find the z-score that defines α=0 .05 and α=.01 critical regions for a two-tail test?How large a sample is needed for a correlation of r = 0.54 to be significant using a two-tailed test with α = .05?