then the overall mean and variance are

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Subject : Basic Statistics

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If the results of the observations for the three samples are given as follows:
mean
Sampel
ni
Rata-rata Varians
1
4
2
2
6.
2
3
3
3
dans-agan
then the overall mean and variance are
1. O ketiganya salah
2. O 3.0 dan 2.0,
3. O 2.0 dan 3.0,
4. O 2.0 dan 4.0,
Transcribed Image Text:If the results of the observations for the three samples are given as follows: mean Sampel ni Rata-rata Varians 1 4 2 2 6. 2 3 3 3 dans-agan then the overall mean and variance are 1. O ketiganya salah 2. O 3.0 dan 2.0, 3. O 2.0 dan 3.0, 4. O 2.0 dan 4.0,
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