2.30 A random sample of 50 personal property insurance policies showed the following number of claims over
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2.30 A random sample of 50 personal property insurance policies showed the following number of claims over the past 2 years.
Number of claims 0 1 2 3 4 5 6 Number of policies 21 13 5 4 2 3 2
a. Find the mean number of claims per policy.
b. Find the sample variance and standard deviation.
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Related Book For 
Statistics For Business And Economics
ISBN: 9780273767060
8th Global Edition
Authors: Paul Newbold, Mr William Carlson, Ms Betty Thorne
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