math homework help? anyone..

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Samples of size n = 15 are randomly selected from the population of numbers (0 through 9) produced by a random-number generator, and the standard deviation is found for each sample. What is the distribution of the sample standard deviations?

May 23rd, 2015


n=15

9+8+7+6+5+4+3+2+1+0=45

mean=5

deviation=15/3

=3

May 23rd, 2015

not one of my choices... its?

skewed to the right.....normal (approximately).... not enough information provided.... or skewed to the left

May 23rd, 2015


what are the choices because its screwed to the left

May 23rd, 2015

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May 23rd, 2015
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May 23rd, 2015
Oct 22nd, 2017
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