Question: a)In a frequency distribution, the mid value of first class is 10 and each class has equal intervals. The cumulative frequencies of the classes are
a)In a frequency distribution, the mid value of first class is 10 and each class has equal intervals. The cumulative frequencies of the classes are 3, 18, 37, 40 and 45. Give the original frequency distribution and find its harmonic mean.
Draw table and write every step of the solution.
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