[" 11) Mean and variance of "20" observa...

[" 11) Mean and variance of "20" observations are "10" and "4." It vas found,that in place of "11,9" was "],[" take by mistake find correct varians."],[[" (1) ",3.99," (2) "3.98," (3) "4.01]]

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[" 11) Mean and variance of "20" observations are "10" and "4." It vas found,that in place of "11,9" was "],[" take by mistake find correct varians."],[[" (1) ",3.99," (2) "3.98," (3) "4.01]]

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