Find the Variance for the Given Data $$\begin{array} { l l l l l } 7 & 7 & 2 & 5 & 1\end{array}$$

question 45

Multiple Choice

Find the variance for the given data. Round your answer to one more decimal place than the original data.
- $$\begin{array} { l l l l l } 7 & 7 & 2 & 5 & 1\end{array}$$

• A) 6.2
• B) 7.7
• C) 7.8
• D) 11.8

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Definitions:

Experimental Design

The plan for a scientific experiment to test a hypothesis, including how data is to be collected and analyzed.

Probability

The likelihood of a specific event or outcome happening, often expressed as a number between 0 and 1.

Control

In an experiment, a control group or element is used as a benchmark to measure how the other tested elements differ.

Lurking Variables

Variables that are not included as explanatory or response variables in a study but can affect the interpretation of relationships between variables.