# Statistics: Bar Graph Crisp Survey

In this worksheet, students study a graph and answer questions based on the information given.

Key stage:  KS 2

Curriculum topic:   Statistics

Curriculum subtopic:   Interpret and Present Data

Difficulty level:

### QUESTION 1 of 10

This bar chart shows information gathered from a group of children who were asked to name their favourite crisp flavour.

This shows that 2 children preferred Roast Beef flavour and 3 children preferred Pizza.

Use this bar chart to answer the question.

What was the most popular flavour?

Salt and Vinegar

Cheese and Onion

Pickled Onion

Chicken

Prawn Cocktail

Smoky Bacon

Roast Beef

Pizza

Use this bar chart to answer the question.

How many children chose Salt and Vinegar?

Use this bar chart to answer the question.

How many children took part in the survey?

Use this bar chart to answer the question.

What were the four least popular flavours?

Salt and Vinegar

Cheese and Onion

Pickled Onion

Chicken

Prawn Cocktail

Smoky Bacon

Roast Beef

Pizza

Use this bar chart to answer the question.

What were the three most popular flavours?

Salt and Vinegar

Cheese and Onion

Pickled Onion

Chicken

Prawn Cocktail

Smoky Bacon

Roast Beef

Pizza

Use this bar chart to answer the question.

How many more children chose Chicken over Pickled Onion?

Use this bar chart to answer the question.

How many more children chose Ready Salted over Pizza?

Use this bar chart to answer the question.

What fraction of the group surveyed chose Ready Salted?

12

12/40

0.12

Use this bar chart to answer the question.

Which flavour/flavours were chosen by exactly one tenth of the group surveyed?

Salt and Vinegar

Cheese and Onion

Pickled Onion

Chicken

Prawn Cocktail

Smoky Bacon

Roast Beef

Pizza

Use this bar chart to answer the question.

What percentage of the group chose Ready Salted, Chicken or Prawn Cocktail?

20%

40%

50%

• Question 1

Use this bar chart to answer the question.

What was the most popular flavour?

EDDIE SAYS
Look at the bar chart and find the tallest bar. The tallest bar is for the ready salted crisps, which was chosen as the most popular flavour.
• Question 2

Use this bar chart to answer the question.

How many children chose Salt and Vinegar?

9
EDDIE SAYS
Locate salt and vinegar along the x-axis labeled type of crisp. Follow the bar upwards for salt and vinegar and then look at the y-axis, which will show you how many children chose salt and vinegar. The bar is in between 8 and 10, which means that 9 children chose salt and vinegar.
• Question 3

Use this bar chart to answer the question.

How many children took part in the survey?

40
EDDIE SAYS
To find out how many children took the survey, add all of the numbers for each of the crisps: 12 + 9 + 2 + 4 + 7 + 1 + 0 + 2 + 3 = 40. Excellent work!
• Question 4

Use this bar chart to answer the question.

What were the four least popular flavours?

Cheese and Onion
Prawn Cocktail
Smoky Bacon
Roast Beef
EDDIE SAYS
Least popular means the crisps that weren't liked very much and had very few votes. Look at the bar chart and find the four flavours that have 2 or less votes: cheese and onion, prawn cocktail, smoky bacon and roast beef.
• Question 5

Use this bar chart to answer the question.

What were the three most popular flavours?

Salt and Vinegar
Chicken
EDDIE SAYS
Most popular means the crisps that the children like the most. Look at the bar chart and find the 3 tallest bars that have the highest numbers: ready salted, salt and vinegar and chicken.
• Question 6

Use this bar chart to answer the question.

How many more children chose Chicken over Pickled Onion?

3
EDDIE SAYS
The bar chart shows that 7 children chose chicken and 4 children chose pickled onion. To find out how many more children chose chicken, subtract: 7 - 4 = 3. 3 more children chose chicken over pickled onion. Great work!
• Question 7

Use this bar chart to answer the question.

How many more children chose Ready Salted over Pizza?

9
EDDIE SAYS
The bar chart shows that 12 children chose ready salted and 3 children chose pizza. To find out how many more children chose ready salted, subtract: 12 - 3 = 9. 9 more children chose ready salted over pizza.
• Question 8

Use this bar chart to answer the question.

What fraction of the group surveyed chose Ready Salted?

12/40
EDDIE SAYS
A fraction is the part of the whole and earlier we found out that 40 children took the survey. So the fraction of the group that chose ready salted is 12/40. Amazing work!
• Question 9

Use this bar chart to answer the question.

Which flavour/flavours were chosen by exactly one tenth of the group surveyed?

Pickled Onion
EDDIE SAYS
This is a tricky question! Make sure to think about equivalent fractions. Here are the fractions for each crisp and equivalent fractions if they have one: ready salted 12/40 = 3/10, salt and vinegar 9/40, cheese and onion 2/40 = 1/20, pickled onion 4/40 = 1/10, chicken 7/40, prawn cocktail 1/40, smoky bacon 0/40, roast beef 2/40 = 1/20, pizza 3/40. So pickled onion had 1/10 of the choices.
• Question 10

Use this bar chart to answer the question.

What percentage of the group chose Ready Salted, Chicken or Prawn Cocktail?

50%
EDDIE SAYS
To solve this problem, you need to add 12 + 7 + 1 = 20. Now that you have the total for the three crisps, you need to make a fraction for part of the whole, which is 20 out of 40 or 20/40. So the percentage is 50% or half. Well done for working through these questions!
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