If the Coefficient of Correlation Between X and Y Is

question 3

Multiple Choice

If the coefficient of correlation between x and y is close to 1.0,this indicates that:

• A)y causes x to happen.
• B) x causes y to happen.
• C) Both a and b.
• D) there may or may not be a causal relationship between x and y.

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Definitions:

Discrete Random Variable

A variable that can take on a countable number of different values, each with a certain probability, often used in statistical analysis.

Probability Histogram

A graphical representation of the distribution of a set of data, showing the probabilities or frequencies of occurrence of different outcomes.

Probability Z

A measure used in statistics that describes the number of standard deviations a data point is from the mean in a normal distribution.

Continuous Random Variable

A type of random variable that can take an infinite number of values within a given range.