Consider the following frequency distribution for a sample

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Reference no: EM13608013

Consider the following frequency distribution for a sample of 40 observations"

Class frequency

0-4 5
5-9 8

10-14 11

15-19 9

20-24 7

a) calculate the sample mean

b) calculate the sample variance and sample standard deviation

( please show all steps, so I can understand how you solved it),

Reference no: EM13608013

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