From the Standard Deviation Formula, S² ⁼ $\frac{\sum_{i=1}^{n}(x-\bar{x})^{2}}{N}$ , Identify the Estimator

question 24

Multiple Choice

From the standard deviation formula, s² ⁼ $\frac{\sum_{i=1}^{n}(x-\bar{x}) ^{2}}{N}$
, identify the estimator.

• A)\(s^{2}\)
• B)\(\sum_{i=1}^{n}\)
• C)\((x-\bar{x})^{2}\)
• D)\(n-1\)

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Definitions:

Independent Variable

In statistical analysis, a variable presumed to cause or influence the dependent variable without itself being affected by any other variables of interest.

ANOVA

Analysis of Variance, a statistical method used to compare the means of three or more samples to determine if at least one of the sample means significantly differs from the others.

SST

Total Sum of Squares, a measure used in statistical analysis to quantify the variation within a set of observations.

SSE

Sum of Squared Errors, a measure of the discrepancy between the data and an estimation model, representing the error between observed and predicted values.