All of the Following Statements Are TRUE About Finding Relationships

question 35

Multiple Choice

All of the following statements are TRUE about finding relationships in data EXCEPT:

• A)The covariance and correlation formulas are used to describe linear relationships between data.
• B)Covariance is a formula that can calculate the relationship between two variables, like age and dollars spent as well as the direction of the relationship.
• C)The correlation formula produces a value between -.1 and 1 that is called the correlation coefficient.
• D)The correlation coefficient is represented by the letter "r" in statistics and is a unitless value that describes the strength and direction of a relationship between two variables.

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Definitions:

Mean

Calculated by dividing the total of the numbers by their quantity, the average represents the mean value of a set.

Median

The middle value in an ordered list of numbers, effectively dividing the dataset into two halves.

Central Location

The midpoint or center of a dataset where it tends to cluster around.

Sample Mean

The average of a set of numerical values drawn from a larger population, often used to estimate the population mean.