Fall 2024 YL Final Exam Review 2

Front

What does 'mode' mean?

Back

The mode is the value that repeats the most in a data set.

Front

Describe the relationship shown on a scatter plot where as the temperature increases, the number of visitors increases.

Back

This indicates a positive correlation between temperature and the number of visitors.

Front

What does 'r' represent in statistics?

Back

In statistics, 'r' represents the common ratio in a geometric sequence.

Front

What is the equation that most closely represents the line of best fit for a given data set?

Back

Front

What is the range of the correlation coefficient 'r'?

Back

The correlation coefficient 'r' is such that -1 ≤ r ≤ 1.

Front

What is the definition of correlation in statistics?

Back

Correlation measures the strength and direction of a linear relationship between two variables.

Front

What does a correlation coefficient of 1 indicate?

Back

A correlation coefficient of 1 indicates a perfect positive linear relationship.

Front

What does a correlation coefficient of -1 indicate?

Back

A correlation coefficient of -1 indicates a perfect negative linear relationship.

Front

What does a correlation coefficient of 0 indicate?

Back

A correlation coefficient of 0 indicates no linear relationship between the variables.

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two quantitative variables.