Project part 2 - Maria C Garcia PROJECT 2.67 Statistics for Business Economics MW 5:30-6:50 FALL 2010 AL AR CA FL GA IL KS LA MA MS NH NY NC OH PA

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Unformatted text preview: Maria C. Garcia PROJECT 2.67 Statistics for Business Economics MW 5:30-6:50 FALL 2010 AL AR CA FL GA IL KS LA MA MS NH NY NC OH PA SC TN TX VT WI STATE Alabama Arizona California Florida Georgia Illinois Kansas Louisiana Mass Miss NewHamp NewYork NCarolina Ohio Penn SCarolina Tennessee Texas Vermont Wisconsin RANGE VARIANCE STD. DEV. PLANTS 5 3 4 5 4 13 1 2 1 1 1 6 5 2 9 7 3 4 1 3 a. 12 9.37 3.06 AL AR CA FL GA IL KS LA MA MS NH NY NC OH PA SC TN TX VT WI STATE Alabama Arizona California Florida Georgia Kansas Louisiana Mass Miss NewHamp NewYork NCarolina Ohio Penn SCarolina Tennessee Texas Vermont Wisconsin PLANTS 5 3 4 5 4 Illinois 1 2 1 1 1 6 5 2 9 7 3 4 1 3 13 b. RANGE VARIANCE STD. DEV. 8 5.15 2.270 AL AR CA FL GA IL KS LA MA MS NH NY NC OH PA SC TN TX VT WI STATE Alabama Arizona California Florida Georgia PLANTS 5 3 4 5 4 Illinois Kansas 13 1 Maria C. Garcia PROJECT 2.67 Statistics for Business Economics MW 5:30-6:50 FALL 2010 Louisiana Mass Miss NewHamp NewYork NCarolina Ohio Penn SCarolina Tennessee Texas Vermont Wisconsin 2 1 1 1 6 5 2 9 7 3 4 1 3 66 c. RANGE VARIANCE STD. DEV. RESULTS: 8 4.59 2.14 What effect does dropping this measurement have on the measures of variation found in part a? By eliminating the largest value of the data set the range, variance, and standard diviation change. Its value desminish. What effect does dropping both of these measurements have on the measures of variation found found in part a? By droping the smallest and larges value from the data the variance and the standard deviation change its value, but the range stated the same. U.S. Energy Information Administration Data Maria C. Garcia PROJECT 2.67 Statistics for Business Economics MW 5:30-6:50 FALL 2010 Maria C. Garcia PROJECT 2.67 Statistics for Business Economics MW 5:30-6:50 FALL 2010 stated the same. ...
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This note was uploaded on 12/13/2010 for the course CHEM 2301 taught by Professor Bill during the Spring '10 term at South Texas College.

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