Saturday, May 5, 2012

05-03-2012

Walk through on how to solve the types of Problems encountered in 6.5 [video]


7.1 Sampling Error

Sampling error - Absolute value of the difference between statistic and parameter.
Mean: | x-bar -  μ |
Standard deviation: | s - σ |
Proportion: | p-bar -  P |

μ - Population (Parameter) mean

x-bar - Sample (Statistic) mean or "Point estimate"

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