Line Plots

Front

What is a line plot?

Back

A line plot is a graph that shows the frequency of data along a number line, using X's or other symbols to represent each data point.

Front

How do you find the median of a data set?

Back

To find the median, arrange the data in numerical order and identify the middle value. If there is an even number of values, average the two middle values.

Front

What does it mean if data is skewed left?

Back

Data is skewed left when the tail on the left side of the distribution is longer or fatter than the right side, indicating that most values are higher.

Front

What does it mean if data is skewed right?

Back

Data is skewed right when the tail on the right side of the distribution is longer or fatter than the left side, indicating that most values are lower.

Front

What is the mode of a data set?

Back

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

Front

How do you determine the range of a data set?

Back

The range is found by subtracting the smallest value from the largest value in the data set.

Front

What is a symmetrical distribution?

Back

A symmetrical distribution is one where the left and right sides of the graph are mirror images of each other.

Front

What is the highest score in a data set?

Back

The highest score is the maximum value in the data set.

Front

How do you interpret a line plot?

Back

To interpret a line plot, count the number of X's above each value on the number line to determine the frequency of each data point.

Front

What does it mean to have a frequency of 16 in a line plot?

Back

A frequency of 16 means that the data point appears 16 times in the data set.