Frequency Tables

Data & Statistics

You can use frequency tables to present data

13 January 2021

Lesson Objective

I can understand how to use frequency tables

Fill in the Blanks

How many female students prefer cats?

Fill in the Blanks

How many students are male?

Fill in the Blanks

How many students in the survey were in the age category of 18 to 22?

Practice questions

Now it is time to practice some questions:

1) Logon to Khan Academy and work on the assigned task 'Read two-way frequency tables'

Fill in the Blanks

What score (percentage) did you get from the Khan Academy exercise?

Create and share your frequency table

Here is an example of the solution

Complete the table so you can answer the following questions

Fill in the Blanks

How many sandwiches are needed in total?

Multiple Select

Which type of sandwich is the most popular choice?

• Tuna

• Cheese

• Egg

Multiple Select

Which group prefers Cheese sandwiches?

• Group A

• Group B

• Group C

• None of the above

LO: I can understand how to read frequency tables

the following slides will act as an exit ticket for this activity.

Multiple Select

How many Seniors ate burritos or pizza?

• 10

• 5

• 15

• 10

Multiple Select

How many minutes did the most number of people study?

• 61-90

• 0-30

• 31-60

• 91-120

Multiple Select

How many sophomores like burritos and pizza?

• 6

• 5

• 11

• 50

Poll

Do you understand how to read frequency tables?

• Yes, I've got it

• I'm getting it, but need more practice

• i'm starting to understand

• I need help, I don't understand this yet !!

Lesson Objective

I can create frequency tables

Worked Example

A survey is conducted among school students. 50 students are randomly selected and they are asked, whether they prefer dogs, cats or other pets. In the survey, 10 boys preferred dogs, 9 boys preferred cats, 3 boys preferred other pets, 12 girls preferred dogs, 6 girls preferred cats and 10 girls preferred other pets. Construct a two-way frequency table for the above data.

Step 1

Step2: Fill the tables using the data in the question

Step 3: Find the total for each gender by adding the frequencies in each row.

Step 4: Find the total for each pet by adding the frequencies in each column.

Lesson Objective

I can create frequency tables