If you have $\bar{X}=17, \mu=21, \sigma=9$ and $N=16$, conduct a one-tailed z-test for a lower mean.Use α = .05.Be sure to set up your hypotheses and rejection region, calculate your z-score, and state your decision.

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The Answer of If you have $\bar{X}=17, \mu=21, \sigma=9$ and $N=16$, conduct a one-tailed z-test for a lower mean.Use α = .05.Be sure to set up your hypotheses and rejection region, calculate your z-score, and state your decision.

If You Have Xˉ=17,μ=21,σ=9\bar{X}=17, \mu=21, \sigma=9Xˉ=17,μ=21,σ=9 And N=16N=16N=16 , Conduct a One-Tailed Z-Test for a Lower Mean

If You Have $\bar{X}=17, \mu=21, \sigma=9$ And $N=16$ , Conduct a One-Tailed Z-Test for a Lower Mean