A Sample of N = 8 Scores Has a Mean

question 8

True/False

A sample of n = 8 scores has a mean of M = 20.After one score is removed from the sample,the mean is calculated to be M = 23.The removed score must have a value greater than 20.

---

Definitions:

Proportion

A statistical measure that indicates the fraction of the total population that possesses a particular attribute or characteristic.

Chi-squared Goodness-of-fit Test

This test assesses if observed frequencies in a single categorical variable match expected frequencies determined from a theoretical distribution.

Multinomial Distribution

A generalization of the binomial distribution, which deals with outcomes of a experiment that can fall into more than two categories.

Categories

Distinct groups or classes into which data can be classified.