Test 3 2 variable data

Front

What is a scatter plot?

Back

A scatter plot is a graph of plotted points that shows a relationship between two sets of data.

Front

What does a strong positive correlation (r = 0.92) indicate?

Back

It indicates a strong positive relationship between the two variables, meaning as one variable increases, the other variable also tends to increase.

Front

What does it mean if the correlation coefficient (r) is 0?

Back

It means there is no correlation between the two variables.

Front

What type of observations are color and texture?

Back

Qualitative observations.

Front

What is the relationship statement for a scatter plot showing that ice cream sales increase with temperature?

Back

As the outside temperature increases, the ice cream sales increase.

Front

What is the term for the measure of the strength and direction of a linear relationship between two variables?

Back

Correlation coefficient.

Front

What does a negative correlation indicate?

Back

It indicates that as one variable increases, the other variable tends to decrease.

Front

What is the difference between quantitative and qualitative data?

Back

Quantitative data is numerical and can be measured, while qualitative data describes characteristics and cannot be measured.

Front

What is the purpose of a scatter plot?

Back

To visually represent the relationship between two quantitative variables.

Front

What does a weak positive correlation look like?

Back

It indicates a slight tendency for one variable to increase as the other increases, but the relationship is not strong.