Edexcel IGCSE Maths
The histogram shows information about the times, in minutes, that some people were in
Work out an estimate for the proportion of these people who were in the shop for more than 40 minutes.
The table gives information about the heights, in metres, of the trees in a park.
| Height (h metres) | Frequency |
0 < h  2 | 5 |
| 2 < h 5 | 12 |
5 < h  10 | 18 |
10 < h  20 | 14 |
| 20 < h 35 | 9 |
On the grid, draw a histogram for this information.
The incomplete histogram shows some information about the distances, in kilometres, that 100 adults ran last week.
All of the adults ran at least 5 kilometres. None of the adults ran more than 55 kilometres. 14 adults ran between 15 kilometres and 20 kilometres.
Complete the histogram.
The histogram gives information about the weights, in grams, of some oranges in a box.
24 of these oranges weigh less than 20 grams.
Medium oranges weigh between 35 grams and 55 grams.
Work out an estimate for the number of medium oranges in the box.
The incomplete table and incomplete histogram give information about the times, in minutes, that 140 people waited at a station for a train.
Complete the table and the histogram.
Some people attend a concert. The histogram shows information about the ages of these people.
Work out an estimate for the percentage of these people who are aged more than 55 years. Give your answer correct to one decimal place.
The table gives information about the time taken by each student in Year 11 to complete a homework task.
| Time taken (t minutes) | Frequency |
10  t  25 | 15 |
| 25 t 30 | 18 |
30  t 50 | 32 |
50 t  60 | 4 |
On the grid, draw a histogram for this information.
One of these students who took 50 minutes or less and more than 25 minutes to complete this homework task is chosen at random.
Find an estimate for the probability that this student took 45 minutes or less to complete this homework task.
Also involves Probability
The table gives information about the weights, in kg, of the parcels that Pedro delivers on Monday.
| Weight (wkg) | Frequency |
0  w  2 | 12 |
2 w  3 | 7 |
| 3 w 6 | 15 |
| 6 w 9 | 12 |
| 9 w 14 | 9 |
On the grid, draw a histogram for this information.
One of the parcels that Pedro delivered on Monday is chosen at random.
Using the information in the table, find an estimate for the probability that this parcel weighs more than 7 kg.
Also involves Forming and solving equations
The histogram gives information about the height, h cm, of each tree in part of a forest.
There are no trees for which h 
200 and for which h 
800 The number of trees for which 300 < h 
400 is 8 fewer than the number of trees for which 400 < h 
500 Work out an estimate for the number of trees in this part of the forest that have a height greater than 500 cm.
The histogram shows information about the total time, m minutes, taken by each child in a school to walk to school every day for one week.
There are no children for whom m 100 There are 10 children for whom m 
20 Work out an estimate for the number of children for whom 50 
m ≤ 80
The histogram gives information about the heights, h cm, of some tomato plants.
There are 12 tomato plants for which 75 < h 85 One of the tomato plants is selected at random.
Find an estimate for the probability that this tomato plant has a height greater than 82.5 cm
Also involves Rounding
The histogram and the table give some information about the amounts of time, in hours, that Year 11 students at Bergdesh Academy spent, in total, on their homework last week. No student in Year 11 spent longer than 9 hours on their homework.
Time spent on homework (t hours)
Using the information in the histogram and in the table, work out an estimate for the mean amount of time the Year 11 students spent on their homework last week. Give your answer in hours correct to 3 significant figures.
The table gives information about the heights, in centimetres, of some plants.
| Height (h cm) | Frequency |
10  h  20 | 35 |
20  h  35 | 45 |
35  h  50 | 75 |
50 h  70 | 40 |
70 h  80 | 8 |
On the grid, draw a histogram for this information.
Work out an estimate for the number of these plants with a height greater than 40 cm.
The histogram gives information about the heights of all the Year 11 students at a school.
There are 160 students in Year 11 with a height between 155 cm and 170 cm.
Work out the total number of students in Year 11 at the school.
Also involves Probability
The histogram shows information about the ages of all the passengers travelling on a plane. No one on the plane is older than 80 years.
24 passengers on the plane are aged between 40 years and 60 years.
Work out the total number of passengers on the plane.
A passenger on the plane is picked at random.
Work out an estimate for the probability that this person is older than 55 years.
The table gives information about the heights of some trees.
| Height (h metres) | Frequency |
0 h  20 | 15 |
20 h  35 | 48 |
| 35 h 40 | 21 |
40 h  50 | 16 |
On the grid, draw a histogram for this information.
The table gives information about the areas, in hectares, of some farms in Spain.
| Area (A hectares) | Frequency |
| 0 A 20 | 40 |
| 20 A 50 | 90 |
| 50 A 100 | 140 |
| 100 A 300 | 140 |
| 300 A 350 | 40 |
On the grid, draw a histogram for this information.
The histogram shows information about the birth weights of some babies.
6 of these babies had a birth weight less than 2.5 kg or greater than 4 kg.
Work out the number of babies who had a birth weight between 2.5 kg and 4 kg.
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