List All the Elements of B That Are Elements of the Given

question 63

Multiple Choice

List all the elements of B that are elements of the given set.
- $B = \left\{ 19 , \sqrt { 8 } , - 21,0 , \frac { 0 } { 9 } , \sqrt { 9 } \right\}$ Natural numbers

• A) \(19,0 , \sqrt { 9 }\)
• B) \(19 , \sqrt { 9 }\)
• C) 19,0
• D) \(19,0 , \frac { 0 } { 4 }\)

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Definitions:

Sample Variance

A measure of the variability or spread of a sample data set, calculated as the average of the squared differences from the sample mean.

Sample Mean

The mean of a collection of numbers, determined by adding all the values together and then dividing the total by the count of values in the set.

Median

The middle value in a dataset when arranged in ascending or descending order, effectively dividing the dataset into two equal halves.

Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution of data, typically the mean, median, or mode.