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Roth is a computer-consulting firm. The number of new clients that they have obtained each month has ranged from 0 to 6. The number of new clients has the probability distribution that is shown below.
The standard deviation is
Independent Samples
Samples that are collected from distinct, non-overlapping populations such that the observations in one sample are not related or paired with observations in the other sample(s).
Population Distributions
The spread of characteristics or values within a whole population.
Average Ages
The mean value of the ages within a specific group or dataset, calculated by adding all the ages together and dividing by the total number of ages included.
Pooled Variance
An estimate of variance across different samples or groups that assumes the underlying population variances are equal.
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