Add. --68 + 44

question 352

Multiple Choice

Add.
--68 + 44

• A) -112
• B) 24
• C) -24
• D) 112

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Definitions:

Weighted Average

An average resulting from the multiplication of each component by a factor reflecting its importance.

Z-score

A numerical metric indicating how a particular value compares to the average of a dataset, expressed by the number of standard deviations it lies from the mean.

P-value

The likelihood of encountering experimental results that are at least as significant as the actually observed results, given the null hypothesis is assumed to be accurate.

Pooled Variance

A method used in statistics to combine variances from two or more groups to estimate a common variance when they are assumed to be equal.