Grade 11Algebra
the variance of 15 observations is 4. if each observation is increased by 9 find the resulting variance.
the variance of 15 observations is 4. if each observation is increased by 9 find the resulting variance.
2 Answers
Vijay Mukati
Dear Student,Variance isinvariantwith respect to changes in alocation parameter. That is, if a constant is added to all values of the variable, the variance is unchanged. Therefore the variance will be 4. Thanks.
Raghu Vamshi Hemadri
Dear Student,Variance isinvariantwith respect to changes in alocation parameter. That is, if a constant is added to all values of the variable, the variance is unchanged. Therefore the variance will be 4. Thanks.
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