A Researcher Has Done a One-Sample T-Test

question 14

Short Answer

A researcher has done a one-sample t-test. She reports the test's degrees of freedom to be 15. How many cases were there in the sample? __________

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Definitions:

Null Hypothesis

A standard assumption that posits no meaningful difference or impact exists, usually examined in contrast with a contrasting hypothesis during statistical evaluation.

Two-sided

Pertaining to tests or intervals in statistics that consider both directions or sides of a distribution, typically involving a range of values both above and below a certain point.

Population Mean

The average of a set of properties, characteristics, or values in a population.

Null Hypothesis

A statement in statistics that there is no significant difference or effect, used as a default assumption until evidence suggests otherwise.