What Is the Meaning of the Expression?
- $\left( \frac { 4 } { 5 } \right) ^ { 4 }$

question 113

Multiple Choice

What is the meaning of the expression?
- $\left( \frac { 4 } { 5 } \right) ^ { 4 }$

• A) \(4 \left( \frac { 4 } { 5 } \right)\)
• B) \(\left( \frac { 4 } { 5 } \right) \left( \frac { 4 } { 5 } \right) \left( \frac { 4 } { 5 } \right) \left( \frac { 4 } { 5 } \right)\)
• C) \(\frac { 4 \cdot 4 \cdot 4 \cdot 4 } { 5 }\)
• D) \(\frac { 4 } { 5 \cdot 5 \cdot 5 \cdot 5 }\)

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Definitions:

Standard Deviation

A measure of the dispersion or variability within a set of numerical data, indicating how spread out the values are.

Mean

The arithmetic average of a set of numbers, found by dividing the sum of all the numbers by the count of the numbers.

Population Variance

A measure of the dispersion of a set of data points in a population, calculated as the average of the squared deviations from the mean.

Sample Variance

A measure of the dispersion or spread of a set of data points in a sample, illustrating how much the data differ from the mean.