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Business Statistics, 3rd Edition
book

Business Statistics, 3rd Edition

by Naval Bajpai
April 2024
Intermediate to advanced content levelIntermediate to advanced
921 pages
37h 16m
English
Pearson India
Content preview from Business Statistics, 3rd Edition
Chapter 12
418
SSE (sum of squares within samples) =
()xx
ij j
j
k
i
n
==
∑∑
2
11
where x
ij
is the ith observation in group j,
x
j
the sample mean of group j, k the number of
groups being compared, and n the total number of observations in all the groups.
and MSE (mean square) =
SSE
nk
where SSE is the sum of squares within columns and nk the degrees of freedom (total
number of observations – number of samples).
3. Calculate total sum of squares: The total variation is equal to the sum of the squared
difference between each observation (sample value) and the grand mean
x
. This is often
referred to as SST (total sum of squares). So, the total ...
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Publisher Resources

ISBN: 9789390168996