dot plot and stem and leaf

Front

What is a dot plot?

Back

A dot plot is a simple way to display data using dots above a number line, where each dot represents one data point.

Front

How do you create a dot plot?

Back

To create a dot plot, draw a number line and place a dot above the corresponding number for each data point.

Front

What is a stem-and-leaf plot?

Back

A stem-and-leaf plot is a method of displaying quantitative data where each number is split into a 'stem' (the leading digit) and a 'leaf' (the trailing digit).

Front

How do you read a stem-and-leaf plot?

Back

To read a stem-and-leaf plot, look at the stems on the left and the leaves on the right to understand the distribution of the data.

Front

What is the purpose of using a dot plot?

Back

Dot plots help visualize the frequency of data points and make it easy to see patterns or clusters.

Front

What is the purpose of using a stem-and-leaf plot?

Back

Stem-and-leaf plots provide a way to display data while retaining the original values, making it easy to see the shape of the data distribution.

Front

What does 'range' mean in data?

Back

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

Front

How do you calculate the range of a data set?

Back

To calculate the range, subtract the smallest value from the largest value in the data set.

Front

What is the difference between mean and median?

Back

The mean is the average of a data set, while the median is the middle value when the data is ordered.

Front

What is a frequency in a dot plot?

Back

Frequency refers to how many times a particular value appears in the data set, represented by the number of dots above that value in a dot plot.