Statstics notes Chapter 2 Describing distributions with numbers

# Statstics notes Chapter 2 Describing distributions with numbers

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Chapter 2 Describing distributions with numbers Measure of center The measure you use depends on the shape of the data. If the data is mound shaped and symmetric we use the mean. X= Add up the data value = x/n Total # of data values Advantage - Familiar - Uses all the data values Disadvantage - Showed by extense values If the shape of the data is skewed we use the median, to measure the center.

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Unformatted text preview: 1,2,5,7,9 5 =median versus 1,2,7,9,9000000000 Median=5 Advantage-Not snestive to etreme values Disadvantage-Not as familiar as the mean -Does not use all the data values. Spread **** Standarad deviation is used to define outliners....
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## This note was uploaded on 06/19/2011 for the course MATH 1107 taught by Professor Hardy during the Spring '08 term at Kennesaw.

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Statstics notes Chapter 2 Describing distributions with numbers

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