Statistical Diagrams

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.

One of these students is chosen at random.

Work out the probability that this student

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 ....................................

120 students choose what they want to do when they leave school.

Their choices are shown in the table.

Complete the pie chart to show this information.
Label each sector clearly.

Some people each recorded their favourite holiday destination.
The results are shown in the pie chart.

 of the people chose ........................................

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Geoff asks some supporters to choose a new colour for the team’s shirts.
The results are to be shown in a pie chart.
The table shows some of this information.

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Some people go fishing and catch four types of fish.

Some information is shown in the table.

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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.

Mr Marr asks his mathematics class to complete a statistics project about books.

Olga counts the number of letters in each of the last 50 words in the book she is reading.
She has only counted the letters in 43 words so far.
Her results for these 43 words are shown in the table below.

Number of letters in each word	Tally	Frequency
1
2
3
4
5
6
7
8
9

The last seven words in the book that Olga needs to add to the table are

.......... and they all lived happily ever after.

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72 students each study one of the sciences shown in the table.
The results are to be shown in a pie chart.

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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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