Summary

Statistics Grade 10&11 Summary with Key Points

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Course
Mathematics

Institution
12

A basic summary of statistics from grade 10 and 11 IEB curriculum Explanations and diagrams Still need to practice and view a selection of notes in correlation to these when studying!!! Practice !

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Uploaded on August 21, 2021
Number of pages 7
Written in 2021/2022
Type Summary

math
math core
ieb
statistics
grade 10
grade 11
box and whisper
ogives
stem and leaf
stats
outliers
standard deviation

Institution
12
Course
Mathematics
Schooljaar 200

$7.21

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Statistics 10.11.12

Stem and Leaf
diagrams
used to
organise data
ordered from smallest to
biggest
example 48 ,
51 ,
56 52 64 45 ,
60 , 52 ,
71 63
, ,
, ,

stem
stem leaf leaf
4 5 8
5 1226
has 1
6
7-
034
1
Data
digit ,
stem is

Other to represent data
ways :

The Mean ✗

of all the data
average

* add all data values divide total
then
by the
number of data values

✗ = E. ✗
n

, The Mode
occurs the most often ,
has the
highest frequency
Hoo set of data can have more than 1 mode
Ñ0• You can find the mode of
categorical data

example 5 ,
9 ,
12,5 ,
3
,
11
,
8 ,
3

mode : 5313

mode >
highest frequency

The Median M

middle data if
value in
ascending order

position median number data values
nztl
of = * n =
of

example 6,9 ,
12 ,
5 , 3,11 ,
8,3

order 11 12
ascending :
3,3 ,
5,6 , 8,9 , ,

between M
6zt8_
these
:
=

2

= 7

The Range
measure of dispersion

range
=

highest data valve -

lowest data value

data
** No
range
of
categorical

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