Find the frequency of the class 30-40 for the given data. U.B= 10,20,30,40,50.C.F=2,7,18,35,40.
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The frequency of the class 30 - 40 is 11
Step-by-step explanation:
U.B = 10, 20, 30, 40, 50
C.F = 2, 7, 18, 35, 40
The cumulative frequency is number of observation that lie above particular set of data. The frequency is obtained by subtraction of cumulative frequency.
The frequency of 30 - 40 is:
⇒ 35 - 18 = 11
∴ The frequency of the class 30 - 40 is 11
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