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March 6, 2015

March 6, 2015

Posted by **help** on Friday, November 5, 2010 at 5:03pm.

1. The sample mean, the sample proportion and the sample standard deviation are all unbiased estimators of the corresponding population parameters.

2. If the population is normally distributed with known variance then the sample mean may not be normally distributed for very small sample size.

- Statistics -
**Anonymous**, Monday, November 21, 2011 at 1:08pmAssume that thermometers are distributed with a mean of 0 degress and a standard deviation of 1. Find the probability that a randomly selected thermometer reads greater than 1.25

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