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Earn +20 ptsQ: Can the variance of a sample be larger than the sample mean?
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Continue Learning about Math & Arithmetic
Does a leptokurtic distribution have a larger variance than Mesokurtic distribution?
yes
Why is standard deviation a better measure of dispersion than variance?
Because it is in same units as the original data. For example, if you have a sample of lengths, all in centimetres, the sample variance will be in units of centrimetres2 which might be more difficult to interpret but the sample standard deviation with be in units of centimetres, which would be relatively easy to intepret with reference to the data.
Can a sample statistic ever be larger than the population parameter?
Yes.
Will margins of error for sample of size 80 be larger or smaller than those for sample size of 40?
They should be smaller for the sample size 80.
What are adverse variances?
Adverse variances means unfavourable variance which is actual expenses are more than budgted variance.
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