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Cumulative Frequency and Boxplots.

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by

Mr Mattock

on 6 March 2016

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Transcript of Cumulative Frequency and Boxplots.

Cumulative Frequency and Boxplots.
Activity 2
Complete the Exam question in your teams
Main Activity 1
Match the Cumulative frequency and Box plot cards
Starter
Median = 64 kg

LQ = 59 kg

UQ = 71 kg

IQR = 12 kg
Draw a scale suitable for a box plot for this data. Write down the 5 values needed to draw a boxplot.
Starter
Median = 64 kg

LQ = 59 kg

UQ = 71 kg

IQR = 12 kg
Draw a scale suitable for a box plot for this data.
Scale from 40 to 90
Write down the 5 values needed to draw a boxplot.
Three above, 40 and 90.
Box plot from Cumulative Frequency
Median = 64 kg

LQ = 59 kg

UQ = 71 kg

IQR = 12 kg
Box plot from Cumulative Frequency
Median = 64 kg

LQ = 59 kg

UQ = 71 kg

IQR = 12 kg
Main Activity 1
Match the Cumulative frequency and Box plot cards
Cum Freq Box plot Frequency Diagrams Statement
A C H Huge spread
B A C Similar Marks
C E E Two groups
D F G Mean < Mode
E H F Mean > Mode
F G D Median = Mode
G D A Too difficult
H B B All or Nothing
Activity 2
Complete the Exam question in your teams
(a) 170
(c) Fertilised tomatoes weighed 8 kg heavier on average, but the un-fertilised tomatoes had more consistent weights shown by their smaller IQR.
Activities
Activity
Answers

Key
Examples

Worked
Example
L.O. - To use cumulative and box plots together (Grade 7)
Full transcript