When Testing Vs

question 152

Multiple Choice

When testing vs. , the observed value of the z -score was found to be - 2.15. Then, the p -value for this test would be

• A).0158
• B).0316
• C).9842
• D).9684

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Definitions:

Level Of Significance

The probability of rejecting the null hypothesis in a statistical test when it is actually true; a threshold for determining the statistical significance.

Rejection Region

The range of values for which we reject the null hypothesis in hypothesis testing.

Level Of Significance

A threshold used in hypothesis testing, below which the null hypothesis is rejected.

Confidence Interval

A gamut of values, taken from sample statistics, considered likely to include the value of a hidden population attribute.