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Word Problem - standard deviation

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Manager
Joined: 05 May 2005
Posts: 78
Word Problem - standard deviation [#permalink]

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18 May 2007, 16:51
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How would you solve?

Which of the following data sets has the third largest standard deviation?

a) {1, 2, 3, 4, 5}

b) {2, 3, 3, 3, 4}

c) {2, 2, 2, 4, 5}

d) {0, 2, 3, 4, 6}

e) {-1, 1, 3, 5, 7}
Senior Manager
Joined: 03 May 2007
Posts: 270
Re: Word Problem - standard deviation [#permalink]

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18 May 2007, 21:36
above720 wrote:
How would you solve?

Which of the following data sets has the third largest standard deviation?

a) {1, 2, 3, 4, 5}

b) {2, 3, 3, 3, 4}

c) {2, 2, 2, 4, 5}

d) {0, 2, 3, 4, 6}

e) {-1, 1, 3, 5, 7}

from the definition of standard deviation 1st largest would be e) {-1, 1, 3, 5, 7}, second d) {0, 2, 3, 4, 6} and third a) {1, 2, 3, 4, 5}
Re: Word Problem - standard deviation   [#permalink] 18 May 2007, 21:36
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