Answer to Question #338713 in Statistics and Probability for Abdi

Question

Suppose data collected on rain fall in(mm) of 390 metrological stations were tabulated in frequency distribution and the following result were obtained.

frequency: 6, 25, 48, 72, 116, 60, 38,22,3

CM1=110; CM2=120, where ;CMi is class marks of ith class and assume the size of the class interval(w) are equal.

Determine:-

a. Class interval size, class boundaries and class marks(class mid point) of each class.

b. Compute the mean, median and the modal rain fall of the distribution.

Answer 1

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