A student is investigating if the amount of free time per week affects grades. He randomly surveys the students at his school and finds a linear relationship between the variables with a correlation coefficient of 0.62. Can the student conclude that more free time causes an improvement in grades? Explain. Yes. The student controlled the amount of free time, so the correlation implies causation. Yes. The student controlled the grades, so the correlation implies causation. No. The student did not control the grades, so the data only show correlation. No. The student did not control the amount of free time, so the data only show correlation.

A student is investigating if the amount of free time per week affects grades. He randomly surveys the students at his school and finds a linear relationship between the variables with a correlation...

A student is investigating if the amount of free time per week affects grades. He randomly surveys the students at his school and finds a linear relationship between the variables with a correlation coefficient of 0.62. Can the student conclude that more free time causes an improvement in grades? Explain.

Yes. The student controlled the amount of free time, so the correlation implies causation.

Yes. The student controlled the grades, so the correlation implies causation.

No. The student did not control the grades, so the data only show correlation.

No. The student did not control the amount of free time, so the data only show correlation.

Jun 01, 2022

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A student is investigating if the amount of free time per week affects grades. He randomly surveys the students at his school and finds a linear relationship between the variables with a correlation...

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