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March 5, 2015

March 5, 2015

Posted by **mike** on Monday, July 25, 2011 at 8:44pm.

The standard error of the number of Republicans in the sample is _____ ?

- Basic Statistics -
**Jaz**, Tuesday, May 27, 2014 at 6:13amQ1. A population has a mean of µ = 80 with σ = 20.

a. If a single score is randomly selected from this population, how much distance, on average, should you find between the score and the population mean?

b. If a sample of n = 4 scores is randomly selected from this population, how much distance, on average, should you find between the sample mean and the population mean?

c. What is the probability that sample mean will be less than 70 for a sample of 16 scores?

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