STA1510 - short notes with example + solved past papers
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Course
STA1510 - Basic Statistics (STA1510)
Institution
University Of South Africa (Unisa)
Book
Basic Business Statistics
this document cover topics
defining and collecting data
organizing and visualizing variables
numerical descriptive measures
basic probability
discrete probability
normal and sampling distribution
confidence interval estimation
solved past paper and summarized collective notes based ...
Mean Medion Mode, Range, 1OR
how wmouy tuere a e
Meons totol of numbeus olvided b no.
Enaple: 1,2, 3, 4, 5 + 2+5 +4 6
w uch is n fe naidelle n+1
Mecdioun s
no.
median is 3
Exmple .2, 3, S In orderc
aYra
most
Mode No tuet appeons
mode 2
Eluupl: 2 , 2, 3, 4, SS
o sualert wnber
kauye Ulfertue bedureu te hgest
Laye eS- 4 =
Etunnple: , 2, 3,1 ,S
IOR: ntergvanh l
equafo
Vange
, Detemna class Interuals
Interu al width hishest
= valuc -
(louwest vale
no. of closses
NOTE:otal of fve queny column mubl
noof values alwouys eqva
roportion or ve)ative {vequency
RF no of vale n eac class
otal o ovalucs
NOTE total off velative fequen Column must aluwauus
be 1.00. Ve total of " column mustaluACUy be
Crdeed Array
Ofronge data in orde rom smallest Ualuc
e orqe st Ualue
mortont Symbols
somple variace
Somple stondard deviotion
X Somple mean
n Somple Size
CV Cbehuenl voriciton
Z 2 scOe
PopulCihon mean
Opopulahon uoriation
opudahon stovndord deuahon
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