Correlation Coefficient

Correlation Coefficient

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the correlation coefficient?

Back

The correlation coefficient is a statistic that measures the strength and direction of a linear association between two quantitative variables.

2.

FLASHCARD QUESTION

Front

What does a correlation coefficient of r = 1 indicate?

Back

A correlation coefficient of r = 1 indicates a perfect positive linear relationship between two variables.

3.

FLASHCARD QUESTION

Front

What does a correlation coefficient of r = -1 indicate?

Back

A correlation coefficient of r = -1 indicates a perfect negative linear relationship between two variables.

4.

FLASHCARD QUESTION

Front

What does a correlation coefficient of r = 0 indicate?

Back

A correlation coefficient of r = 0 indicates no linear relationship between two variables.

5.

FLASHCARD QUESTION

Front

What is a weak positive correlation?

Back

A weak positive correlation occurs when the correlation coefficient is between 0 and 0.3, indicating a slight upward trend.

6.

FLASHCARD QUESTION

Front

What is a strong positive correlation?

Back

A strong positive correlation occurs when the correlation coefficient is between 0.7 and 1, indicating a strong upward trend.

7.

FLASHCARD QUESTION

Front

What is a weak negative correlation?

Back

A weak negative correlation occurs when the correlation coefficient is between -0.3 and 0, indicating a slight downward trend.

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