(A)

(B)

(C)

(D)

(E)
$2 - 1$

question 37

Multiple Choice

(a)

(b)

(c)

(d)

(e)


Figure $2 - 1$

-Which switch in Figure 2-1W ould probably be used to control a light and a fan at the same time?

• A)graph (a)
• B)graph (b)
• C)graph (c)
• D)graph (d)
• E)graph (e)

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Definitions:

Squared Deviations

The square of the difference between each data point and the mean, used in variance calculation.

Actual y Values

The observed or measured values of the dependent variable in a study or experiment.

Scatter Diagram

A graphical representation of two variables for a set of data, showing the relationship between them by displaying points corresponding to each data pair.

Regression Line

A straight line that best fits the data points in a scatter plot, showing the relationship between the independent and dependent variables.