Question: Forthe Students data fileatthetextwebsite,analyzepoliticalideology. (a) Testwhetherthepopulationmean differs from4.0,themoderateresponse.Reportthe P-value,andinterpret.Makeaconclusionusing -level = 0.05. (b) Constructthe95%confidenceintervalfor . Explainhowresultsrelatetothoseofthe test in(a).

Forthe Students data fileatthetextwebsite,analyzepoliticalideology.

(a) Testwhetherthepopulationmean μ differs from4.0,themoderateresponse.Reportthe P-value,andinterpret.Makeaconclusionusing α-level = 0.05.

(b) Constructthe95%confidenceintervalfor μ. Explainhowresultsrelatetothoseofthe test in(a).

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