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No of Observation = 45

Higest value = $29

Lowest Value = $0

K = ?

i = ?

a) 1st we find out K

K= 2x2x2x2x2x2 =2^6

Xlasses = 6

b) find out (i) = H-L/K = 29-0/6 = 29/6

i= 4.833

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