Edexcel GCSE Higher Tier Maths Module 1- Revison Cards

I made these revision cards to help me reveise for my Module 1 and they really helped!!!

They include everything on the syllabus that needs to be covered!

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Preview of Edexcel GCSE Higher Tier Maths Module 1- Revison Cards

First 104 words of the document:

Range = largest
When working with
statistical diagrams, data value ­
make sure you look at smallest data
the scale carefully!
value.
Grouping data is good Mode = most
because it makes the data
easier to calculate with and common value.
interpret.
Modal class = group
However, by grouping we
lose the original data so our
with highest
calculations are estimates. frequency.
Median = Mean = sum of
middle data all data divided
value when the by how many
data is in pieces of data
numerical order there are.

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Page 2

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The interquartile range is the
Interquartile range range of the middle 50% of the
data. It is the length of a box on a
= box plot
upper quartile ­ Interquartile range calculations
tend not to include anomalies for
lower quartile this reason interquartile range is
more accurate than range.
When comparing
distributions, refer to When comparing distributions,
refer to
An average ­ such as
median or mean The spread of the data the range
or interquartile range
e.g.…read more

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Mean From A Grouped
Frequency Table
USE MIDPOINTS
Total the midpoint x
frequency ; divide by total
frequency
GROUP FREQUENCY MIDPOINT MIDPOINT
x
FREQUENC
Y
0-2 5 1 5
3-5 4 4 16
6-10 3 8 24
11-15 3 13 39
TOTAL 15 84
MEAN = 84/15 = 5.6
RELATIVE FREQUENCY is a probability found
from an experiment.
If the relative frequency of a 5 on a biased
dice is 0.2 then after
10 throws you would expect 10 x 0.…read more

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To find median on a cumulative frequency, On a histogram plot frequency
draw a line at halfway up the cumulative density on y axis where
frequency and see where it meets the curve.
Lower quartile same but ¼ of way up Frequency density = Frequency
Upper quartile same but ¾ of way up
Class width
The y axis will always have something
relating to frequency on it ie
Cumulative frequency
Frequency
Cumulative frequency means running total.
Frequency density
Quantitative data is numerical data.…read more

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GROUP FREQUENCY
A POSITIVE CORRELATION
B NO CORRELATION
0<x<2 9
C NEGATIVE CORRELATION 2<x<4 3
D NO CORRELATION 4<x<6 4
6<x<8 4
TOTAL 20
The modal class interval is the one with
highest frequency: 0<x<2
The median class interval is the one
with the ½ (20+1)th value in it; 10.5th
value= 2<x<4
Lower quartile =210 = value ¼ of way into data.
Upper quartile = 240 = value ¾ of way into data.
Median = ½ way into data.…read more

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A sample should
consider things like On a scatter
the different diagram, always
genders, ages and draw a line of
cultures
appropriately.
best fit!
When plotting a
When plotting a cumulative frequency
frequency curve use
polygon use ENDPOINTS and join
with a SMOOTH
MIDPOINTS CURVE OR LINE.…read more

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A data collection sheet To write a suitable
should include a column for question, think:
title of object being
measured, a column for Are all responses
tally and a column for covered?
frequency e.g. Do you need to give a time
frame?
MAKE SURE
RESPONSES DON'T
OVERLAP!
LABEL ALL USE A RULER TO
AXIS ON DRAW STRAIGHT
GRAPHS! LINES!
Example Pie chart
Pie charts Team Frequenc
y
To find an angle, divide by total
frequency and multiply by 360 Hudds 11 (11/22)*360=180
If easy frequency.…read more

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A sample space diagram
shows all possible outcomes,
e.g.…read more

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In tree diagrams, Multiply along, add Mutually exclusive events are events which can't
between. happen together.
In tree diagrams each branch adds up EXAMPLE: You can't get a 1 on a dice and an
to 1. even number at the same time!
In tree diagrams final probabilities (the
P(1 and even) = 0
ones you have multiplied to get) add
up to 1.…read more

Comments

jakepearson

very useful

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