The Z Value for a 97

question 47

Multiple Choice

The z value for a 97.8% confidence interval estimation is

• A) 2.02.
• B) 1.96.
• C) 2.00.
• D) 2.29.

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Definitions:

Degrees of Freedom

The number of independent pieces of information available to estimate another datum or parameter in a statistical analysis.

Degrees of Freedom

The total number of distinct values or quantities that can be designated within a statistical distribution.

Critical Value

A point on the test statistic distribution that is compared to the test statistic to determine whether to reject the null hypothesis.

Degrees of Freedom

The count of autonomous figures or measurements that may change in an examination while still adhering to all restrictions.