Which of the Following Statements Is Correct

question 1

Multiple Choice

Which of the following statements is correct?

• A)Changing the units of measurement of x or y does not change the value of the correlation r.
• B)A negative value for the correlation r indicates the data are strongly unassociated.
• C)The correlation always has the same units as the x variable but not the y variable.
• D)The correlation always has the same units as the y variable but not the x variable.

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Definitions:

Arithmetic Mean

The average of a set of numerical values, calculated by adding them together and then dividing by the number of values.

Largest Values

The highest numbers or quantities in a data set, often used in statistical analysis to determine the upper extremities.

Outlier

A data point that significantly differs from other observations in a data set, often indicating variability in a measurement or a novel discovery.

Mean

The arithmetic average of a set of values, calculated by adding all the values and dividing by the count of values.