AQA All About Maths
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Topic: Scatter Diagrams (Higher - Unit 1)
Specification References: S4.1
S4.1
Interpret a wide range of graphs and diagrams and draw conclusions.
Candidates should be able to:
interpret any of the types of diagram listed in S3.2h
obtain information from any of the types of diagram listed in S3.2h
Examples
From Example 1 in S3.2 Find an estimate of the median finishing time.
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From a relative frequency diagram:
Find the best possible estimate for the probability of a blue counter being drawn from the bag.
The data shows the number of passengers on bus services during one day.
29 45 43 38 29 21 14 12 11 7 12
17 22 31 37 43 45 45 38 27 21 15
Show the data on an ordered stem-and-leaf diagram.
Remember to include a Key.
(outline of structure will be given with white space above for, as recommended, an unordered diagram to be produced initially)
Use the stem and leaf diagram to find the modal number of passengers.
There were five spare seats on the bus with most passengers.
How many seats are in one of these buses?