If the Data in a Scatter Diagram Is Scattered Completely

question 102

Multiple Choice

If the data in a scatter diagram is scattered completely at random,what do you conclude?

• A)There is no linear relationship between X and Y.
• B)There is a strong linear relationship between X and Y.
• C)There is a strong linear relationship between X and Y that is described by a horizontal (flat)line.
• D)None of these choices.

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Definitions:

Sweets

Food items that are rich in sugar and often used as a treat or dessert.

Dependent Variable

The variable in an experiment that is expected to change as a result of manipulations to the independent variable.

Experimenter's Manipulations

The deliberate alteration of variables by a researcher in an experiment to determine their effects on the outcome.

Standard Deviation

A commonly used measure of variability that indicates the average difference between scores in a distribution and their mean.