When Carrying Out a T Test for Dependent Means with a Mean

question 39

Short Answer

When carrying out a t test for dependent means with a mean difference score of 20 and a variance of the distribution of means of 25,the t score is __________.(Give a number.)

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Definitions:

Confidence Interval

A span of values, coming from sample observations, expected to include the value of a not-yet-identified population characteristic.

Degrees Of Freedom

The number of independent data points in a statistical calculation that are free to vary.

T-Distribution

A probability distribution that arises when estimating the mean of a normally distributed population in situations where the sample size is small and the standard deviation is unknown.

Student T-Distributed

Pertaining to a probability distribution that arises when estimating the mean of a normally distributed population in situations where the sample size is small and population standard deviation is unknown.