When Conducting a Hypothesis Test Concerning the Population Mean, and the Population

question 94

Multiple Choice

When conducting a hypothesis test concerning the population mean, and the population standard deviation is known, the value of the test statistic is calculated as ________.

• A) z =
• B) t_df =
• C) z =
• D) t_df =

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Definitions:

Experimenter Bias

involves the influence of the researcher's expectations or preferences on the outcomes of an experiment, potentially skewing the results.

Social Desirability Bias

The inclination of individuals to respond to queries in a way that they believe will be positively perceived by others.

Confederate

An individual who participates in a psychological experiment by pretending to be a subject but in reality works for the researcher.

70th Percentile

A value below which 70 percent of the data falls, used as a measure to understand the distribution of data in a set.