Page 170 - Revised Maths Wisdom Class - 6

168 MATHS

COGNITIVE

MAP

Data Handling and Presentation

Process of Study, Arrange or Sort the Data

Frequency Distribution Pictograph Bar Graph

Table “A pictograph represents the “A bar graph is a pictorial
“A tabular arrangement frequency of data as pictures representation used to
compare the amounts or
or symbols”
of the ungrouped data” frequency of occurrence of
It consists numeric Step 1: Collect the data and different characteristics of
representation of the data choose a symbol to data”
represent it
It consists Step 2: Decide the appropriate Step 1: On a graph paper,
rows scale draw horizontal

columns Step 3: Add the labels of the line (x-axis) and
vertical line (y-axis)
cells data to the vertical line
of the table or group Step 2: Mark points at
Step 4: Add the required equal intervals
along horizontal line
number of symbols
from the symbol key Step 3: Choose a suitable

Step 5: Write the title of the scale and determine
the height of bar
pictograph
Step 4: Mark these heights
parallel to y-axis

Step 5: On the horizontal
Step 1: Decide the labels of the columns line draw bars of

Step 2: Collect the numeric data equal width for
the heights marked
Step 3: Complete the table in step 4