Statstics notes Chapter 2 Describing distributions with numbers

Statstics notes Chapter 2 Describing distributions with numbers

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
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.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

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....
View Full Document

This note was uploaded on 06/19/2011 for the course MATH 1107 taught by Professor Hardy during the Spring '08 term at Kennesaw.

Page1 / 2

Statstics notes Chapter 2 Describing distributions with numbers

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online