When Graphing the Distribution of Differences, the Ordinate Is Used

question 118

Multiple Choice

When graphing the distribution of differences, the ordinate is used to represent

• A) a sample mean
• B) the difference between the mean of the individual raw scores and the sample mean
• C) the difference between two sample means
• D) frequency of occurrence

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Definitions:

Confidence Interval

An estimated range of values calculated from a given set of sample data, intended to offer a degree of certainty that a population parameter lies within it.

Simple Random Sample

A smaller group taken from a larger statistical group where each individual has the same chance of selection.

Population

The entire group of individuals or instances about whom the data is to be collected or researched.

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true, often denoted by alpha.