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

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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'

Create and share your frequency table

Here is an example of the solution

Complete the table so you can answer the following questions

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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