A Researcher Is Testing a Hypothesis of a Single Mean $\alpha$

question 26

Multiple Choice

A researcher is testing a hypothesis of a single mean.The critical z value for $\alpha$ = .05 and a two-tailed test is +1.96.The observed z value from sample data is -2.11.The decision made by the researcher based on this information is to ___ the null hypothesis.

• A)reject
• B)not reject
• C)redefine
• D)change the alternate hypothesis into
• E)restate

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Definitions:

Inclusion Terms

Specific terms used within medical coding and classification systems to define the scope of a particular category or code.

ICD-10-CM General Note

Guidelines and instructions provided within the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) coding manual, assisting in the appropriate selection of codes for diagnoses.

Inclusion Notes

Documentation or observations included in a study or report that specify criteria under which observations are recorded or subjects are included.