Dot Plot Frequency Tables and Stem and Leaf

GH 4.9A Data Analysis

by Abby Gonzalez

What is data?

​Share with your table group for 30 seconds.

How is data used?

​Share with your table group for 30 seconds.

Student Objective (Goal)

I can analyze and label the parts of a frequency table, dot plot, or stem-and-leaf plot to understand the information provided.

Vocabulary

1. ​Data: a collection of information

2. ​Graph: a diagram showing data in a visual way

3. ​Frequency table

4. ​Dot plot

5. ​Stem-and-leaf plot

Frequency Table

A table that shows the # of times each piece of data has been collected.

Dot Plot

A graph that shows each piece of data on a # line.​

Stem-and-Leaf Plot

​ A graph of data organized by place value.

Parts of a graph

​Title: Tells you what the entire graph is about

​Subtitles: Titles of sections in a graph

Labels: tell you the parts of the graph

​Key: tells you how to read the graph

​Symbols: dots & tally marks

​Data: information collected

​Increment: change in value

Poll

What would be a good title for this frequency table?

• Frequency Table

• How Many Chips are in Different Bags?

• I love Chips!

• Number of Chips Per Bag

Multiple Choice

How many bags of chips have a total of 12 chips?

• 5

• 4

• 7

• 12

Multiple Choice

How many bags of chips have less than 15 chips in each bag?

• 5

• 15

• 11

• 9

Multiple Choice

How many chips do the majority of the bags have?

• 12

• 16

• 13

• 15

Multiple Choice

What type of graph is this?

• Frequency Table

• Dot Plot

• Stem-and-leaf Plot

Multiple Choice

What information does it provide?

• The ages of people at a nursing home.

• The grades that students made on a test.

• The temperatures in the month of May.

Multiple Choice

What do the dots represent?

• The amount of days that were at each specific temperature.

• The number of cities that the temperature was collected for.

• The number of people who collected the temerature.

Multiple Choice

What is the increment used in the number line to represent the temperature?

• The increment is 5.

• The increment is 20.

• The increment is 2.

Multiple Choice

How many days were 70 or below?

• 6

• 4

• 10

Reading stem and leaf plots (video) | Khan Academy

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Multiple Choice

What place values does the key tell us we are working with?

• tens & ones place

• tens, ones, and tenths place

• tenths place

• hundreds, tens, and ones place

Multiple Choice

How many people jumped 24 feet?

• 2

• 20

• 6

• 240

Multiple Choice

How many people jumped 25.5 feet?

• 1

• 0

• 3

• 25