For a Two-Tail Z Test, the Null Hypothesis Will Be

question 60

Multiple Choice

For a two-tail Z test, the null hypothesis will be rejected at the 0.05 level of significance if the value of the standardised test statistic is:

• A)smaller than -1.645.
• B)greater than 1.96.
• C)smaller than -1.645 or greater than 1.645.
• D)smaller than -1.96 or greater than 1.96.

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Definitions:

Critical Value

A threshold in hypothesis testing that determines the boundary between accepting or rejecting the null hypothesis.

Analytical Comparison

A process of examining similarities and differences between two or more items or data sets, often to understand their nature or determine key factors.

Analytical Comparisons

The examination and evaluation of differences and relationships between data groups through statistical methods.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists within the data set being analyzed.