CBSE /Class 9
Maths MCQ Based On Statistics tally marks
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CBSE Class 9 Maths Statistics tally marks
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What do you understand by the lower limit of any class interval?
Frequency means the number of occurence.
What is the formula to calculate class mark of any class interval?
Remember, we can not use the same mark more than 4 times.
Width of class is the difference between the upper or lower limits of consecutive classes.
By putting the values given in all the options, you can find the class mark and width of class.
Class mark and width of the class, together can be used to find the class interval.
Recall the class mark formula and follow with corrosponding class marks.
Do you remember the exclusive method of classificaton?
Think about the numbers which can be grouped in the class 105-110.
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