List and Describe Three Services Available in Windows Live

question 31

Essay

List and describe three services available in Windows Live.

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Definitions:

Confidence Interval

A set of numbers, taken from sample-based statistics, that is probable to contain the estimated value of an unspecified population parameter.

Population Standard Deviation

A measure of the spread or dispersion of a set of data points in a population.

Sampling Error

The discrepancy between a sample statistic and the actual population parameter, which arises purely by chance from random sampling.

Confidence Interval

A variety of numerical values, sourced from sample measurements, that is believed to include the value of a not-yet-known population attribute.