Find the Square Root $\sqrt { \frac { 441 } { 64 } }$

question 188

Multiple Choice

Find the square root. Assume that all variables represent nonnegative real numbers.
- $\sqrt { \frac { 441 } { 64 } }$

• A) \(\frac { 55 } { 8 }\)
• B) \(\frac { 7 } { 3 }\)
• C) \(\frac { 11 } { 4 }\)
• D) \(\frac { 21 } { 8 }\)

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Definitions:

Sum of Squares

A statistical tool used to measure the total deviation of each observation from the mean of a data set, often used in variance and regression analysis.

Error

The difference between a measured or estimated value and the true value.

Slope

In mathematics, the rate of change or gradient of a line, indicating its steepness and direction.

Population Regression Line

The line that best describes the relationship between an independent variable and a dependent variable for the entire population.