ENGR 111 - Statistics 1

# ENGR 111 - Statistics 1 - Readings Chapter 6 Stemplots...

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Stemplots Shows shape of distribution Indicates potential outliers Useful for displaying small datasets with positive values Displays original data Easy to construct by hand Displaying requires judgment
Constructing a Stemplot ± ² ± ³ ± ´ ± µ ³ ¶ ³ ² ³ ³ ³ · ³ · ´ ¸ ´ ¸ ´ ± ´ ³ · ¹ · ² · · ¹ º ³ ± ] ² ³ ´ µ ³ ] ¶ ² ³ · · ´ ] ¸ ¸ ± ³ · ] ¹ ² · µ ] ¹ º ] ³

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Frequency Distribution Kalpakjian, Manufacturing Engineering and Technology , 3 rd ed. 13 mm X.XXX = + 0.005 X.XX = + 0.01 X.X = + 0.05
Median, M Midpoint of the distribution Arrange all observations from smallest to largest n is the number of observations If n is odd, M is the center observation If n is even, M is the average of the two

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## This note was uploaded on 04/13/2008 for the course ENGR 111 taught by Professor Cardinal during the Winter '08 term at Cal Poly.

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ENGR 111 - Statistics 1 - Readings Chapter 6 Stemplots...

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