In a histogram, each class rectangle is constructed with base as
A. Frequency
B. Class-intervals
C. Range
D. Size of the class
Answers
In a histogram, each class rectangle is constructed with base as Class-intervals.
Option (B) Class-intervals is correct.
Extra information :
Histogram
Histogram is a graphical representation of a grouped frequency distribution in exclusive form with continuous classes in the form of rectangles with class intervals as bases and the corresponding frequencies as Heights.
There is no gap between any two consecutive rectangles.
In histogram we draw a kink.
Kink i.e. break is indicated near the origin to signify that a graph is drawn not at the origin.
If the first class interval is not starting from zero , then we show it on the graph by making a kink or a break on the axis.
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Similar questions :
The length of 40 leaves of a plant are measured correct to one millimetre, and the obtained data is represented in the following table:
Length (in mm) Number of leaves
118 − 126 3
127 − 135 5
136 − 144 9
145 − 153 12
154 − 162 5
163 − 171 4
172 − 180 2
(i) Draw a histogram to represent the given data.
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In a histogram the class intervals or the groups are taken along
A. Y-axis
B. X-axis
C. Both of X-axis and Y-axis
D. In between X and Y axis
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Answer: (B) is correct ... Base it s constructed on the basis of class interval and height based on frequency...
Step-by-step explanation: Hope I am correct