Which Type of Error Is Used to Compute the Confidence

question 57

Multiple Choice

Which type of error is used to compute the confidence interval for one sample selected from a population with an unknown variance?

• A) standard error
• B) estimated standard error
• C) estimated standard error for the difference
• D) estimated standard error for the difference scores

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Definitions:

Null Hypothesis

In statistical testing, it is the assertion that there is no effect or no difference, used as a default hypothesis to challenge with experimental evidence.

Confidence Interval

An estimated range of values derived from sample data that is likely to contain the value of an unknown population parameter, expressed at a specified level of confidence.

Standard Error

A statistical measure that quantifies the amount of variation or dispersion of a sample mean relative to the true population mean.

Sample Size

The number of observations or participants in a statistical sample.