# MATH 2565 M Winter 2007 Solutions to Business Statistics

3. If you upload graphs or other material make sure the uploaded file has a name like: 'MATH2565-Exer8.34graph.png' if '8' is the chapter and '34' the section.

• etc...

## Chapter 2

• 2.1
• 2.1
• 2.2
• 2.3--Sturges's rule to determine classes and class width for each class Team Babbage-Honey
• 2.4 -- Frequency Distribution
• 2.7--Converting Joint Frequincy distribution to Relative Frequencies Team Babbage-Honey
• 2.8 -- Developing a HIstogram
• 2.11--Joint frequency distribution and it's usefulness Team Babbage-Honey
• 2.44
• 2.48 -- Usage of Line charts, Pie charts and other diagrams (similarities/differences)
• 2.52 -- Stem and Leaf diagram and Histogram
• 2.30
• 2.34
• 2.56
• 2.60
• 2.16
• 2.22
• 2.26
• 2.5
• 2.6
• 2.7
• 2.10
• 2.14
• 2.20 Construct a Bar Chart - Team Turing
• 2.23 Pie Chart - Team Gates - Zakir Jaffer
• 2.24 Stem and Leaf Diagrams - Team Turing
• 2.27 Bar Chart & Pie Charts - Team Gates - Zakir
• 2.38 Scatter Diagram - Team Turning
• 2.39
• 2.40
• 2.42 Line Chart - Team Turing
• 2.44
• 2.43
• 2.46 Construct a graph - Team Turing
• 2.47
• 2.51
• 2.55
• 2.59
• 2.16Frequency Distribution And Histograms

## Chapter 3

• 3.2 Mean, Median and Mode for data
• 3.4 kalapuge
• 3.6--Using R to Find Means Team Yates-Honey
• 3.8 George
• 3.10 Skewed or Symmetric data
• 3.12 Ali Khan - Team Yule
• 3.14--Determine if graphs are skewed, symmetrical. Finding mean, median and mode Team Yates-Honey
• 3.14 sol 2--senshamy
• 3.20 Ali Khan - Team Yule
• 3.22 Soudeh-Team Yates
• 3.24 Tony Lau - Team Wald
• 3.26 Mean plus the standard Deviation
• 3.28 A Box and Whisker plot
• 3.32 Tony Lau - Team Wald
• 3.38 Proportion of observation
• 3.40 Ali Khan - Team Yule
• 3.42 Kat - Team Yates
• 3.44 Standard deviation
• 3.48 George Haron - Team Yule
• 3.50
• 3.52 Discussion:using a range as a spread measure in a set of data
• 3.54 Ali Khan - Team Yule
• 3.56 Kat - Team Yates
• 3.60 Mean, Median, Mode and standard deviation of sample data
• 3.62 Ali Khan - Team Yule
• 3.66 Zakir Jaffer - Team Wald
• 3.68 Histogram, Box and Whisker plot
• 3.30 Soudeh -Team Yates
• 3.30R version Nnamdi -Team Yates
• 3.34 Soudeh -Team Yates
• 3.64 Nnamdi -Team Yates
• 3.72 Nnamdi -Team Yates
• 3.70 kalapuge Jayatilake- Team Yule

## Chapter 4

• 4.2Relative Frequency, Team Yates-Honey
• 4.6Classical Probability_Creating a Tree Diagram, Team Yates-Honey
• 4.7 Ali Khan - Team Yule
• 4.8 Wei Xu - Team Tapscott
• 4.10Subjective and Classical Probability,Team Yates-Honey
• 4.11 Ali Khan - Team Yule
• 4.12 mmaguire - Team Tapscott
• 4.13 Ali Khan - Team Yule
• 4.14 Ankit - Team Tapscott
• 4.15 Soudeh -Team Yates
• 4.16 Ali Khan - Team Yule
• 4.17 Soudeh -Team Yates
• 4.18 mmaguire - Team Tapscott
• 4.20 Ali Khan - Team Yule
• 4.21 Soudeh -Team Yates
• 4.22 Munim - Team Tapscott
• 4.24 Ali Khan - Team Yule
• 4.25 Independent Events, Team Yates-Kat
• 4.26 Wei Xu - Team Tapscott
• 4.29 Bayes' Theorem, Team Yates-Kat
• 4.30 Munim - Team Tapscott
• 4.33 Tree Diagram, Team Yates-Kat
• 4.34 Munim - Team Tapscott
• 4.28 kalapuge Jayatilake- Team Yule
• 4.32 kalapuge Jayatilake- Team Yule
• 4.36 George Haron- Team Yule
• 4.4 Eran
• 4.8 Wei Xu
• 4.12 mmaguire
• 4.14 Ankit
• 4.18 mmaguire
• 4.22 Munim
• 4.26 Wei Xu
• 4.30 Munim
• 4.34 Munim
• 4.29 Zakir Jaffer - Team Wald
• 4.35 Zakir Jaffer - Team Wald

## Chapter 5

• 5.40 Q-40, Team Calumet -Senshamy
• 5.44 Q-44, Team Calumet -Senshamy
• 5.48 Q-48, Team Calumet -Kat
• 5.52 Q-52, Team Calumet -Kat
• 5.63 Q-63, Team Founders -George Haron
• 5.41 Roozbeh pashootani
• 5.45 George Salesman
• 5.49 George Salesman
• 5.435-3,Team Founders,Honey-Normal Distribution,Find P
• 5.475-3,Team Founders, Honey-Normal Distribution,Find Xo
• 5.515-3,Team Founders, Honey-Normal Distribution,Find SD
• 5.555-3,Team Founders, Honey-Normal Distribution, Mean
• 5.56 Team Calumet - Zakir Jaffer
• 5.595-3,Team Founders, Honey-Normal Distribution,Mean&SD
• 5.60 Team Calumet - Zakir Jaffer
• 5.635-3,Team Founders, George - Normal Distribution
• 5.82 Team Calumet - Zakir Jaffer
• 5.84 5-5,Team Founders, shape os binomial distribution
• 5.86 Team Calumet - Zakir Jaffer
• 5 Q-88,

## Chapter 6

• 6.3 Q-3, Team Calumet -Senshamy
• 6.7 Q-7, Team Calumet -Senshamy
• 6.16, Team Strong - George Salesman
• 6.14 Q-14, Team Calumet -Kat
• 6.18 Q-18, Team Calumet - Ali Khan
• 6.30 Q-30, Team Calumet -Kat
• 6.34 Q-34, Team Calumet - Ali Khan
• 6.46 Q-46, Team Calumet - Ali Khan
• 6.2 6-1,Team Founders, sampling error
• 6.6 6-1, Team Founders, sampling error
• 6.11 6-2, Team Founders, sampling distribution of mean
• 6.15 Q-15, Team Founders, sampling distribution of mean
• 6.19 Q-19, Team Founders, George
• 6.23 Q-23, Team Founders, George
• 6.31 6-3, Team Founders, George
• 6.35 6-3, Team Founders, George
• 6.39 6-3, Team Founders, George
• 6.43, Team Founders, George
• 6.51, Team Founders, George
• 6.55, Team Founders, George

## Chapter 7

• 7.1 Q-1, Team Calumet -Senshamy
• 7.4-7-1,Team Founders,Honey-
• 7.5 Q-5, Team Calumet -Senshamy
• 7.8-7-1,Team Founders, Honey-
• 7.12-7-1,Team Founders, Honey-
• 7.9 Q-9, Team Calumet -Senshamy
• 7.13 Q-13, Team Calumet - Ali Khan
• 7.16-7-1,Team Founders, Honey-
• 7.17 Q-17, Team Calumet - Ali Khan
• 7.20-7-1,Team Founders, Honey-
• 7.24-7-1,Team Founders, Honey-
• 7.25-7-2,Team Founders,Wei Xu
• 7.29-7-2,Team Founders,Wei Xu
• 7.33-7-2,Team Founders,Wei Xu
• 7.38-7-2,Team Founders,Wei Xu
• 7.44-7-3,Team Founders,Wei Xu
• 7.48-7-3,Team Founders,Wei Xu*
• 7.36 Q-36, Team Calumet - Ali Khan
• 7.43 Q-43, Team Calumet - Ali Khan
• 7.51 Q-51, Team Calumet - Ali Khan
• 7.55 Q-55, Team Calumet - Ali Khan
• 7.48 7.1,
• 7.12 7.1,
• 7.16 7.1,
• 7.20 7.1,
• 7.24 7.1,
• 7.3 Question 3, Team Stong - George Salesman
• 7.7 Question 7, Team Stong - George Salesman
• 7.26 Question 26, Team Stong - George Salesman
• 7.30 Question 30, Team Stong - George Salesman
• 7.34 Question 34, Team Stong - George Salesman
• 7.41 Question 41, Team Stong - George Salesman
• 7.52-7-3,Team Founders, George
• 7.56-7-3,Team Founders, George
• 7.54 Kalapuge Jayatilake

## Chapter 8

• 8.1 Q-1, Team Calumet -Kat
• 8.5 Q-5, Team Calumet -Kat
• 8.9 Q-9, Team Calumet -Kat
• 8.13 Q-13, Team Calumet -Kat
• 8.17 Q-17, Team Calumet -Kat
• 8.26 Q-26, Team Calumet -Kat
• 8.47 Q-47, Team Calumet - Ali Khan
• 8.16 Kalapuge Jayatilake
• 8.3 George Salesman-Team Stong
• 8.7 George Salesman-Team Stong

## Chapter 13

• 13.1 Kalapuge Jayatilake
• 13.2 Kalapuge Jayatilake
• 13.4 - Team Calumet - Zakir Jaffer
• 13.7-13-7,Team Founders, Honey-Correlation Analysis
• 13.12 - Team Calumet - Zakir Jaffer
• 13.15-13-15,Team Founders, Honey-Least Square Regression
• 13.22 - Team Calumet - Zakir Jaffer