STAT3025Q-Activity1--SAM AZER

STAT3025Q-Activity1--SAM AZER - Sam Azer STAT 3025Q...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Sam Azer Sept 22, 2009 STAT 3025Q Activity 1 Take Home Exam This activity was done using R and Minitab Activity 3 – Source of Energy a) Coal Hydropower Natural Gas Nuclear Petroleum other Category other 3.0% Petroleum 3.0% Nuclear 21.0% Natural Gas 16.0% Hydropower 6.0% Coal 51.0% US Percentage
Background image of page 1

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

View Full DocumentRight Arrow Icon
Other Petroleum Nuclear Natural Gas Hydropower Coal 50 40 30 20 10 0 Source US % Chart of US % Coal Hydropower Natural Gas Nuclear Petroleum other Category other 1.0% Petroleum 1.0% Nuclear 16.0% Natural Gas 1.0% Hydropower 65.0% Coal 16.0% Canada Percentage
Background image of page 2
Other Petroleum Nuclear Natural Gas Hydropower Coal 70 60 50 40 30 20 10 0 Source Canada Chart of Canada % b) For the U.S. 9% of its electricity comes from renewable energy sources. For Canada 66% of its electricity comes from renewable energy sources. Looking at these results, it’s very surprising that Canada uses a lot better electricity sources than the U.S. but its probably due to the harsh weather that they have. c) Looking at both of the graphs for the US as well as Canada percentages. It could be easily seen that for such data, the pie chart would be preferred because the data can be shown easily as well as the percentages of each source. Activity 7 – How Many Times Have You Been Married? a) Male Mean = 2211 Women Mean = 2175.25 Male Median =1439 Women Median =792 b) The mean is more informative because of the great difference if the values of the given data. Their range is quite large. c)
Background image of page 3

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

View Full DocumentRight Arrow Icon
Male Standard Deviation =2739.15 Female Standard Deviation =3341.31 Male Interquartile Range =4984 Female Interquartile Range =5647.75 d) Looking at both sets of data, I believe that the standard deviation would be a more informative value to use because of its precision. Activity 9 – Birth and Death Rates State Birth Death Region State Birth Death Region Alabama 14.1 9.9 S Montana 11.9 8.8 W Alaska 15.9 4.0 W Nebraska 14.0 9.2 MW Arizona 18.9 8.2 W Nevada 16.1 7.7 W Arkansas 14.7 10.1 S New Hampshire 12.3 8.1 NE California 16.3 7.1 W New Jersey 14.1 9.0 NE Colorado 13.4 6.6 W New Mexico 15.4 7.4 W Connecticut 13.1 8.9 NE New York 15.6 8.9 NE Delaware 13.9 8.8 S North Carolina 14.2 8.9 S Florida 13.1 10.6 S North Dakota 13.0 9.4 MW Georgia 15.8 7.9 S Ohio 13.6 9.4 MW Hawaii 14.4 6.5 W Oklahoma 14.5 10.2 S Idaho 14.9
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/01/2009 for the course CHEM 334 taught by Professor Lei during the Spring '09 term at UConn.

Page1 / 18

STAT3025Q-Activity1--SAM AZER - Sam Azer STAT 3025Q...

This preview shows document pages 1 - 5. Sign up to view the full document.

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