Pie charts, Stem and leaf diagrams Practice questions | IGCSE | STATISTICS | Mathematics Planet

Описание: Let's solve questions from the book Cambridge IGCSE Mathematics Chapter 9, Statistics. In this video, we are going to figure out how to collect data from pie charts, how to calculate unknown values from pie charts, and how to find the percentage of data if the angle of the pie chart is given. Moreover, we will learn the concepts of stem and leaf diagrams, how to make a stem and leaf diagram when the data is given, how to find the mean when the stem and leaf graph is given, and practice different questions. So, watch till the end and subscribe to get updates regularly.


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Chapters:
0:00 The bar chart shows the number of children playing various games.
1:50 The table shows the number of cars of different makes in a car park.
6:03 The pie chart illustrates the values of various goods sold
11:05 The table shows the colours of the random selection of sweets
14:00 A quantity of scrambled eggs is made using the following recipe
16:35 Calculate the angle on pie charts
19:10 A firm making artificial sand sold its product in four contries
21:20 The weights are given, calculate the angles on pie chart
24:30 The cooking times for meals
31:35 The result of an opinion poll of 2000 people
32:45 The pie charts illustrates the sael of various makes of petrol.
39:15 In Spain money was spent on advertisements in press, televisions, posters etc.
41:35 The diagram illustrates the production of apples in two counteries
42:10 The graph shows the performance of a company in the year
43:20 Stem and leaf diagrams
44:45 The marks scored by 25 students in a history tests are follows
54:45 Here is a steam and leaf diagram showing the times taken by a group of amateur
57:25 A group containing girls and boys measured their handspans in centimetres
1:05:50 The lengths of 10 horror films and 10 action films are collected