According to the Chebyshev Rule, at Least 75% of All

question 120

Multiple Choice

According to the Chebyshev rule, at least 75% of all observations in any data set are contained within a distance of how many standard deviations around the mean?

• A) 1
• B) 2
• C) 3
• D) 4

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Definitions:

Present

To show or display something, often data or findings, in a structured manner.

Parallel Forms Reliability

A type of reliability that examines consistency across different forms of the same test.

Correlation

A numerical index showing how two variables fluctuate in relation to one another.

Same Test

A methodology involving the repeated application of a single test or measurement to the same group or entity under constant conditions.