Stem and Leaf Plot Concepts

This video tutorial explains how to create back-to-back stem and leaf plots using test scores from two classes. It covers data entry for both classes, arranging data, and creating a key. An additional example using heights of boys and girls is provided. The video concludes with a summary and resources for further learning.

What is the primary purpose of a back-to-back stem and leaf plot?

• To compare two sets of data

• To determine the mode

• To calculate averages

• To find the median

In a stem and leaf plot, where is the tens digit placed?

• In the leaf

• In the stem

• In the key

• In the title

How are the numbers arranged in a stem and leaf plot for Class 1?

• Randomly

• In alphabetical order

• In descending order

• In ascending order

What is the correct way to represent the number 12 in a stem and leaf plot?

• 2 | 1

• 1 | 12

• 12 |

• 1 | 2

In the context of the video, what does the stem represent?

• The ones digit

• The tens digit

• The hundreds digit

• The decimal point

What is the significance of the leaf in a stem and leaf plot?

• It represents the hundreds digit

• It represents the ones digit

• It represents the decimal point

• It represents the tens digit

How many tens are there in the Class 1 data?

• Four

• Three

• Two

• One

What is the correct representation of the number 31 in the stem and leaf plot?

• 1 | 3

• 3 | 10

• 3 | 1

• 31 |

How are Class 2 values arranged in the stem and leaf plot?

• Larger as you move right

• Randomly

• Larger as you move left

• Smaller as you move left

What is the purpose of adding a key to a stem and leaf plot?

• To calculate totals

• To explain the data

• To add more data

• To make it colorful