Statistics Test

Front

What is the range in a data set?

Back

The range is the difference between the highest and lowest values in a data set.

Front

Can a data set have more than one mode?

Back

Yes, a data set can have more than one mode, which means it can be bimodal or multimodal.

Front

What does a negative correlation indicate in a scatter plot?

Back

A negative correlation indicates that as one variable increases, the other variable tends to decrease.

Front

What is the median in a data set?

Back

The median is the middle value when the data set is ordered from least to greatest.

Front

What does it mean if there is no association in a graph?

Back

No association means that there is no discernible relationship between the two variables being plotted.

Front

How do you calculate the range of the data set: 5, 15, 10, 20, 15, 10, 15?

Back

Range = Highest value (20) - Lowest value (5) = 15.

Front

What is a mode in statistics?

Back

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

Front

What is a positive correlation?

Back

A positive correlation indicates that as one variable increases, the other variable also tends to increase.

Front

What is the difference between mean and median?

Back

Mean is the average of all values, while median is the middle value when ordered.

Front

What does a scatter plot show?

Back

A scatter plot shows the relationship between two quantitative variables.