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Standard Deviation

Lynn B.

asked • 05/25/17

Mean and standard deviation-PLEASE HELP!

2.8, 3, 3.7, 4.3, 3.2, 2.9

What is the mean and the standard deviation?

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Kenneth S. answered • 05/25/17

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Many calculators allow you to enter a list of X values, and to perform statistical calculations thereon, including mean and standard deviation.

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Dr. Sherif N. answered • 05/25/17

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this is a direct substitution in the formulas

mean = 3.317

std dev = 0.5776

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