Mathematics, 28.11.2019 05:31 nnaaatt1845
Assume that a treatment does have an effect and that the treatment effect is being evaluated with a z hypothesis test. if all factors are held constant, how is the outcome of the hypothesis test influenced by sample size? to answer this question, do the following two tests and compare the results. for both tests, a sample is selected from a normal population distribution with a mean of μ = 32 and a standard deviation of σ = 9. after the treatment is administered to the individuals in the sample, the sample mean is found to be m = 35. in each case, use a two-tailed test with α = .05. for the first test, assume that the sample consists of n = 4 individuals. b. for the second test, assume that the sample consists of n = 25 individuals. c. explain in your own words how the outcome of the hypothesis test is influenced by the sample size.
Answers: 3
Mathematics, 21.06.2019 19:00, Marleneg
An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .
Answers: 1
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