Posted by **Allison** on Sunday, April 27, 2014 at 5:57pm.

A simple random sample of 27 adult mice has a length standard deviation of 0.66 mm. Using a 0.10 level of significance, does it appear that these mice come from a population with a length standard deviation of 0.87 mm?

- Statistics -
**Kuai**, Sunday, April 27, 2014 at 6:10pm
(n-1)s^2/σ^2

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