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

question 66

Multiple Choice

A researcher is testing a hypothesis of a single mean.The critical z value for $\alpha$ = .05 and an one?tailed test is 1.645.The observed z value from sample data is 1.13.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 the null hypothesis

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Definitions:

Reporting Bias

A tendency to selectively choose or promote certain outcomes, data, or studies over others, which can lead to a distorted view of reality.

Incentive Bias

The tendency of an individual or entity to act in a way that is more favorable for their interests due to the promise of a reward or bonus.

Incentive Fee

A fee paid to a fund manager based on performance; typically a percentage of the fund's profits.

Risk-free Interest Rate

The yield from an investment that carries no risk of losing money, often linked to government securities.