Stem-and-Leaf Plot Concepts

This video tutorial explains stem-and-leaf graphs, a method to display data without losing information. It covers the concepts of stems and leaves, how to identify them in numbers, and the process of creating a stem-and-leaf plot. The tutorial also discusses organizing the plot and the importance of adding a key to interpret the data correctly.

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

• To create artistic designs

• To simplify complex mathematical equations

• To display data without losing information

• To represent plant growth data

In a stem-and-leaf plot, what does the 'leaf' represent?

• The decimal point

• All digits except the last

• The last digit of a number

• The first digit of a number

If a number is 573, what is the stem?

• 5

• 7

• 573

• 57

For the number 15.82, what is the leaf?

• 8

• 5

• 1

• 2

Why is it important to have the same number of decimal places in a stem-and-leaf plot?

• To simplify calculations

• To match the number of stems

• To ensure accurate data representation

• To make the plot look neat

How would you convert the number 3.4 to have two decimal places?

• 0.34

• 34.0

• 3.04

• 3.40

What is the first step in creating a stem-and-leaf plot?

• Identify the leaves

• Draw a vertical line

• Write a key

• Ensure consistent decimal places

What is the stem for the number 9.00?

• 0

• 9

• 90

• 900

If a number is 18.23, what is the stem?

• 18

• 1

• 182

• 23

What is the leaf for the number 8.20?

• 20

• 0

• 2

• 8