Find the Critical Value and Rejection Region for the Type $\alpha .$

question 157

Multiple Choice

Find the critical value and rejection region for the type of z-test with level of significance α $\alpha .$ Left-tailed test, α $\alpha = 0.05$

• A) \(z _ { 0 } = - 1.645 ; z < - 1.645\)
• B) \(z _ { 0 } = - 2.33 ; z < - 2.33\)
• C) \(\mathrm { z } _ { 0 } = - 2.575 ; \mathrm { z } < - 2.575\)
• D) \(z _ { 0 } = - 1.96 ; z < - 1.96\)

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Definitions:

Variance

A measure of how much values in a data set differ from the mean of the data set.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or relationship exists between certain characteristics or variables.

One-way ANOVA

A statistical test that compares the means of three or more independent groups using variance analysis.