Show your solutions neatly and clearly. A random sample of 11 vouchers is taken from a corporate expense account. The Voucher amounts are as follows:  $276.72, 194.17, 259.83, 249.45, 201.43, 237.66, 199.28, 211.49, 240.16, 261.10, 226.21  Compute:  (a) the range;  (b) the standard deviation;  (c) the coefficient of variation.  (d) 3rd quartile

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Show your solutions neatly and clearly.

A random sample of 11 vouchers is taken from a corporate expense account. The Voucher amounts are as follows: 

$276.72, 194.17, 259.83, 249.45, 201.43, 237.66, 199.28, 211.49, 240.16, 261.10, 226.21 

Compute: 

(a) the range; 

(b) the standard deviation; 

(c) the coefficient of variation. 

(d) 3rd quartile

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