Which of the Following Formulas Is Incorrect

question 46

Multiple Choice

Which of the following formulas is incorrect?

• A) i = - 1
• B) 1 + r_r =
• C) r_r ≈ i - r
• D) r_r =

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Definitions:

Stratified

A sampling method that involves dividing a population into smaller groups, known as strata, that share similar characteristics.

Cluster

A grouping of similar items, individuals, or data points among a set of data.

Standard Error

Standard Error is the standard deviation of the sampling distribution of a statistic, often used to measure the accuracy with which a sample reflects a population.

Sample Size

The number of observations or elements selected from a population to be included in a sample.