Dot Plots

Front

What is a dot plot?

Back

A dot plot is a statistical chart that consists of data points plotted on a simple scale, typically using dots to represent the frequency of data points.

Front

What does it mean if a dot plot is skewed right?

Back

A dot plot is skewed right when the tail on the right side of the distribution is longer or fatter than the left side, indicating that most data points are concentrated on the left.

Front

What does it mean if a dot plot is skewed left?

Back

A dot plot is skewed left when the tail on the left side of the distribution is longer or fatter than the right side, indicating that most data points are concentrated on the right.

Front

What is the definition of range in statistics?

Back

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

Front

How do you calculate the mean of a data set?

Back

To calculate the mean, add all the numbers in the data set together and then divide by the total number of data points.

Front

What is the mode in a data set?

Back

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

Front

What is the median in a data set?

Back

The median is the middle value when the data points are arranged in order.

Front

How can you identify the greatest value in a dot plot?

Back

The greatest value in a dot plot is represented by the rightmost dot or the highest point on the plot.

Front

What does a symmetrical dot plot look like?

Back

A symmetrical dot plot has a balanced shape, where the left and right sides are mirror images of each other.

Front

What is the significance of the spread in a dot plot?

Back

The spread indicates how much the data varies; a wider spread means more variability in the data.