For the class interval 72-93, the class width is___
Answers
the width of class interval is approximately equal to the number of class intervals
SOLUTION
TO FILL IN THE BLANK
For the class interval 72 - 93 , the class width is___
CONCEPT TO BE IMPLEMENTED
Class Interval :
When the number of sample values are large in number and are in wide range, then the whole data is divided in a number of several groups according to the size of the sample. Each of these groups, made as above, is known as class interval
Class Width :
Class Length or Class Size or Class Width of the class interval of any class is defined to be the difference between the lower and upper class boundaries ( not class limits) of that particular class interval.
Class length = Upper Class boundary - Lower class boundary
EVALUATION
Here the given class interval is 72 - 93
Upper Class boundary = 93
Lower class boundary = 72
Hence the required class width
= Upper Class boundary - Lower class boundary
= 93 - 72
= 21
FINAL ANSWER
For the class interval 72 - 93 , the class width is 21
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