Statistics & Probability 1 Saujanna Jafreen Lecturer Department of Natural Sciences Page:
GROUP NAME PROBABILITIES Page: 2
GROUP MEMBERS Ashraful Islam Sheiblu ID:152-35-1129 Bishnu Chandra Sutradhar ID:152-35-1130 Ratan Hazra ID:152-35-1131 Mehedi Hasan Rimon ID:152-35-1135 Talha Ahmed ID:152-35-1138 Page: 3
TOPIC NAME BAR DIAGRAM Page: 4
What is bar diagram ? A bar chart or bar diagram is a chart that present qualitative (grouped) data with rectangular bars with lengths proportional to the values that they represent. [N:B: In this type diagram, rectangular bars must be separated from each other by same distance. ] Page: 5
ABOUT QUALITATIVE DATA Deals with descriptions. Data can be observed but not measured. Colors, textures, smells, tastes, appearance, beauty, gender, favourite etc. Page: 6
COMPONENTS OF BAR DIAGRAM Collecting qualitative data Drawing a X and Y axis Label the X axis Label the Y axis Drawing the bars a b c variable variable variable Y – axis x – axis Page: 7
AN EXAMPLE OF BAR DIAGRAM Figure 1: Numbers of children favorite cartoon Tom & Jerry, Doraemon & Super man . Cartoon Name Number of Child Tom & Jerry 8 Doraemon 7 Super man 5 Total 20 Table 1: A Uni-variate table of 20 children favorite Tom & Jerry, Doraemon & Super man Cartoon . Page: 8
DIFFERENTS TYPES OF BAR DIAGRAM Horizontal Bar Diagram Grouped Bar Chart Stacked Bar chart Page: 9
VIEW of BAR DIAGRAM Fig2 - Horizontal Bar Diagram Fig4 - Stacked l Bar Diagram Fig3 - Grouped Bar Diagram Page: 10