Statistical Diagrams (Edexcel GCSE Maths: Foundation)

The composite bar chart below shows the number of TVs, laptops, and games consoles sold by a technology shop in October, November, and December.

(i)

Calculate the number of games consoles sold in December as a percentage of the total number of games consoles sold during the three month period.

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(ii)

Find the mean number of laptops sold each day during the three month period.

Assume that the shop is open every day.

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(iii)

If the assumption in part (ii) is not correct, explain how this would affect your answer to part (ii).

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The pictogram shows information about the number of bottles produced by a bottle factory over five days.

The key has not been completed.

The number of bottles produced on Monday was 280.

(i)

Complete the key for the pictogram.

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(ii)

Find the median number of bottles produced per day.

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(iii)

The manager of the factory states that:

"Three fifths of the bottles produced this week were produced by the end of Wednesday"

Showing your working clearly, decide if this statement is true or not.

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66 football players each take five penalties.
The number of penalties that each player scores is recorded.
The results are shown in the bar chart.

Joel spins a fair five-sided spinner numbered 2, 3, 4, 5, and 6.

Joel asks 30 students to guess the number that the spinner will land on next.
This pie chart shows the results.

80 students each record the name of their mathematics teacher.
The number of these students taught by Mr House and by Miss Patel are shown in the bar chart.

How many more students are taught by Miss Patel than by Mr House?

15 students are taught by Mr Smith.
Twice as many students are taught by Mrs Brown than by Mr Jones.

Use this information to complete the bar chart.

Write down the mode.

This information is also to be shown in a pie chart.
Work out the sector angle for Miss Patel.

60 boys are asked to name their favourite sport.
The results are shown in the pie chart.

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Two of the boys in part (a) then change their choice from Running to Swimming.

Complete the pie chart after this change.
The Tennis, Judo and Hockey sectors have been drawn for you.

60 girls are asked to name their favourite sport.
Their results are shown in the bar chart below.

Using your pie chart in part (b) and the bar chart above, write down one similarity and one difference between the girls’ results and the boys’ results.

Similarity ....................................   
Difference .................................... 

Some people go fishing and catch four types of fish.

Some information is shown in the table.

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A hotel manager is investigating the number of different drinks consumed each day at breakfast.

The manager produces the composite bar chart below, showing the number of cups of coffee, tea, and fruit juice consumed on Friday, Saturday, and Sunday.

(i)

Find the total number of cups of coffee consumed over the three days.

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(ii)

Calculate the percentage of drinks consumed on Sunday that were coffee.

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(iii)

Find the mean number of drinks consumed in total each day.

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The pictogram shows information about the number of footballs sold in a large sports shop on Monday, Tuesday, and Wednesday.

(i)

How many footballs were sold on Monday?

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(ii)

More footballs were sold on Tuesday than on Wednesday.

How many more?

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(iii)

On Thursday and Friday, a total of 24 footballs were sold.

25% of these 24 footballs were sold on Thursday.

Complete the pictogram for Thursday and Friday.

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Fernando records the favourite sport of each of 20 people.

Complete the frequency table to show this information.
You may use the tally column to help you.

Fernando wants to draw a pie chart to show this information.

Work out the sector angle for football.

There are 480 cabins on a ship.
There are four types of cabin: Ocean-view, Balcony, Interior and Suite.
Hannah starts to draw a pie chart to show the numbers of each type of cabin.

The 840 students in a school are asked if they want a change of school uniform.
The results are shown in the pie chart.

Show that the number of students who said Yes is 266.

The number of people swimming in a pool is recorded each day for 12 days.

Complete the stem-and-leaf diagram.

Find the median number of swimmers.

The treasure is a bag of coins.
The coins are made from three different metals.

The table shows how children in Ivan’s class travel to school.

Ivan wants to draw a pie chart to show this information.

Find the sector angle for children who walk to school.

50 students each record the number of glasses of water they drink in one day.
The results for 10 of the students are shown below.

Number of glasses of water	Tally	Frequency
0
1
2
3
4
5
	Total	50

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The table shows information about the first 90 words in a book.

On Monday, Main Street station sells 40 tickets.
There are four types of ticket; infant, child, adult and senior.
The bar chart shows the number of infant, child and adult tickets sold.

Jason spends 480 minutes at school each day.
The pie chart shows the time he spends in three of his lessons.

Measure the sector angle for science.

Work out the time, in minutes, Jason spends in English.

...........................min

Jason spends 100 minutes in geography and the rest of the day is free time.

Complete the pie chart.

25 students go on a water sports trip.
The students each choose their favourite water sport.
These are the results.

Rafting                Fishing              Surfing            Snorkelling         Surfing

Snorkelling         Rafting               Kayaking         Rafting               Snorkelling

Fishing               Surfing               Surfing             Kayaking           Surfing

Fishing               Snorkelling         Surfing            Surfing               Rafting

Rafting               Fishing               Snorkelling      Snorkelling         Surfing

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