Mathematics, 20.12.2019 00:31 lucky1940
Aresearcher selects a sample of n = 25 individuals from a population with a mean of μ = 103 and administers a treatment to the sample. if the research predicts that the treatment will decrease scores, then what is the correct statement of the null hypothesis for a directional (one-tailed) test?
a. μ > 103
b. μ ≤ 103
c. μ ≥ 103
d. μ < 103
Answers: 1
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Aresearcher selects a sample of n = 25 individuals from a population with a mean of μ = 103 and admi...
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