A random sample of individuals who led their own income taxes were asked how much time (hours)
Question:
(a) Estimate the mean.
(b) Estimate the standard deviation.
(c) Do you think the observations would be distributed uniformly within each interval? Why would that matter?
(d) Why do you imagine that un- equal bin sizes (interval widths) were used?
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Related Book For
Applied Statistics In Business And Economics
ISBN: 9780073521480
4th Edition
Authors: David Doane, Lori Seward
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