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Combined Mean And Standard Deviation
Occasionally we may need to combine 2 or more samples say A and B. Therefore it is essential to identify the new mean and the new standard deviation of the combination of the samples.
236+2344+346=
matrix
Computation of Covariance Ungrouped Data For a population consisting of paired ungrouped data points {X, Y} where,
Certain model of new home distributed with a mean of $150,000. Find percentage of buyers who paid between $150,000-155,000 if standard deviation is $1800.
The manager of a garden store ordered two different types of marigold seeds for her display. The first type cost her $1 per packet and the second kinds cost $1.26 per packet. How m
Q. What is the probability of choosing a red ball? Ans. A box contains a red, blue and white ball. Two are drawn with replacement. (This means that one ball is selected, i
Geometric mean - It is a measure of central tendency normally utilized to measure industrial increases rates. - It is explained as the nth root of the product of 'n' observa
two numbers differ by 7 and have a product of 120.what are they ?
if P is a point in the interior of a triangles ABC,prove that AB>BC+CA
/100*4500/12
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