Tofauti kati ya marekesbisho "Muachano"

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(Ukurasa ulianzishwa kwa kuandika 'thumb|population mbili kwa same wastani lakini muachano mbalimbali. Kwa takwimu, '''muachano''' (kwa Kiingereza...')
 
<code>> SampuliYangu<- c(7, 4, 3, 6, 9, 2, 9, 13, 9, 9)</code>
 
<code>> sdvar(SampuliYangu)</code>
 
<code>[1] 311.38132143333</code>
 
== Marejeo ==
* Saleh, A. M. E., & Ehsanes, M. (2001). ''An introduction to probability and statistics''. Wiley.
* Peck, R., Olsen, C., & Devore, J. L. (2015). ''Introduction to statistics and data analysis''. Cengage Learning.
 
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[[Jamii:Takwimu]]
[[Jamii:Hisabati]]
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