WFM 5201: Data Management and Statistical Analysis © Dr. Akm Saiful IslamDr. Akm Saiful Islam WFM 5201: Data Management and Statistical Analysis Akm Saiful.

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WFM 5201: Data Management and Statistical Analysis © Dr. Akm Saiful IslamDr. Akm Saiful Islam WFM 5201: Data Management and Statistical Analysis Akm Saiful Islam Lecture-5: Data Exploration April, 2008 Institute of Water and Flood Management (IWFM) Bangladesh University of Engineering and Technology (BUET)

WFM 5201: Data Management and Statistical Analysis © Dr. Akm Saiful IslamDr. Akm Saiful Islam Data Exploration through Graphical Means Bar diagram Pie chart Histogram Stem and Leaf Plot Frequency Plot Scatter diagram Line graph

WFM 5201: Data Management and Statistical Analysis © Dr. Akm Saiful IslamDr. Akm Saiful Islam Bar Diagram Vertical Bar Diagram Horizontal Bar Diagram Component Bar Diagram Multiple Bar Diagram

WFM 5201: Data Management and Statistical Analysis © Dr. Akm Saiful IslamDr. Akm Saiful Islam Vertical Bar Diagram ResponseFrequencyRelative frequency Frequently Occasionally Rarely Never60.040

WFM 5201: Data Management and Statistical Analysis © Dr. Akm Saiful IslamDr. Akm Saiful Islam Horizontal bar diagram

WFM 5201: Data Management and Statistical Analysis © Dr. Akm Saiful IslamDr. Akm Saiful Islam Component Bar Diagram Region Population in '000Percent of population MaleFemaleMaleFemale A B

WFM 5201: Data Management and Statistical Analysis © Dr. Akm Saiful IslamDr. Akm Saiful Islam Multiple bar diagram

WFM 5201: Data Management and Statistical Analysis © Dr. Akm Saiful IslamDr. Akm Saiful Islam Pie Chat 2D Pie Chart3D Pie Chart

WFM 5201: Data Management and Statistical Analysis © Dr. Akm Saiful IslamDr. Akm Saiful Islam Histogram

WFM 5201: Data Management and Statistical Analysis © Dr. Akm Saiful IslamDr. Akm Saiful Islam Frequency Polygon Expen.No Total 80

WFM 5201: Data Management and Statistical Analysis © Dr. Akm Saiful IslamDr. Akm Saiful Islam Scattered Diagram Husband's age Wife's ageHusband's age Wife's ageHusband's age Wife's age

WFM 5201: Data Management and Statistical Analysis © Dr. Akm Saiful IslamDr. Akm Saiful Islam Scattered Diagram

WFM 5201: Data Management and Statistical Analysis © Dr. Akm Saiful IslamDr. Akm Saiful Islam Line Diagram YearPopulation