What is the value of r2
A hypothesis test produces t = 2.00 for a sample of n = 16 scores. What is the value of r2? Explain your response.
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What is the estimated standard error for a sample of n = 4 scores with a variance of s2 = 36? Explain your response.
Under what circumstances can a very small treatment effect be statistically significant? Explain your response.
What is the effect of a large value for the estimated standard error? Explain your response.
A sample of n = 25 individuals is selected from a population with μ = 80, and a treatment is administered to the sample. Which set of sample characteristics is most likely to lead to a decision that there is a significant treatment effect? Expl
Except for the population mean, μ, all the numbers in the t statistic formula come from the sample data. Explain your response.
As sample size increases, the estimated standard error also increases. Explain your response.
The shape of the t distribution changes as the sample size changes. Explain your response.
Find the mean and standard deviation of A. How much of the probability distribution is within 2 standard deviation of the mean?
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