Questions from Statistics Principles


Q: What does it mean if r = 0?

What does it mean if r = 0?

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Q: Explain what is wrong with the following statement: “We have

Explain what is wrong with the following statement: “We have concluded that a high correlation exists between the gender of drivers and rates of automobile accidents.” Suggest a better way to write th...

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Q: Write a paragraph that explains the concept of correlation. Include a

Write a paragraph that explains the concept of correlation. Include a discussion of the role that/play in the computation.

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Q: Explain the difference between correlation and causation. When is it appropriate

Explain the difference between correlation and causation. When is it appropriate to state that the correlation implies causation?

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Q: Draw a scatter diagram that might represent the relation between the number

Draw a scatter diagram that might represent the relation between the number of minutes spent exercising on an elliptical and calories burned. Draw a scatter diagram that might represent the relation b...

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Q: Match each word or phrase with its definition. /

Match each word or phrase with its definition.

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Q: Suppose you work a part-time job and earn $15

Suppose you work a part-time job and earn $15 per hour. Draw a scatter diagram that might represent the relation between your gross pay and hours worked. Is this a deterministic relation or a probabil...

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Q: Suppose that two variables, X and Y, are negatively associated

Suppose that two variables, X and Y, are negatively associated. Does this mean that above-average values of X will always be associated with below-average values of Y? Explain.

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Q: What is the difference between univariate data and bivariate data?

What is the difference between univariate data and bivariate data?

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Q: The ____variable is the variable whose value can be explained by

The ____variable is the variable whose value can be explained by the value of the explanatory variable

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