The Graph of a Normal Curve Is Given $\mu = 12 , \sigma = 3$

question 73

Multiple Choice

The graph of a normal curve is given. Use the graph to identify the value of μand σ.

• A) \(\mu = 12 , \sigma = 3\)
• B) \(\mu = 3 , \sigma = 12\)
• C) \(\mu = 12 , \sigma = 9\)
• D) \(\mu = 9 , \sigma = 12\)

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Definitions:

Intercept

In mathematics and statistics, the point at which a line or curve intersects a given axis on a graph.

Predicted Income

An estimate of future income based on variables such as education, occupation, and previous earnings.

Correlation

A statistical measure that expresses the extent to which two variables change together, suggesting a possible relationship between them.

Prediction Error

The difference between an observed value and the value predicted by a model.