A population is known to have a mean of μ = 45. If a researcher predicts that the experimental treatment will produce a decrease in the scores, then the null hypothesis for a one-tailed test would state the following. OM = 45 Oμ= -45 O μ = 45 OM= -45

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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A population is known to have
OM = 45
O μ = -45
Ο μ = 45
O M = -45
mean of μ = 45. If a researcher predicts that the experimental treatment will produce a decrease in the scores, then the null hypothesis for a one-tailed test would state the following.
Transcribed Image Text:A population is known to have OM = 45 O μ = -45 Ο μ = 45 O M = -45 mean of μ = 45. If a researcher predicts that the experimental treatment will produce a decrease in the scores, then the null hypothesis for a one-tailed test would state the following.
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