lower class boundary = lower limit - 0.5
Upper class boundary = upper limit + 0.5
Mid value of class = (lower class limit + upper class limit)/2
class - size = upper class boundary – lower class boundary
Frequency density = class frequency of that class/class size
From the given data, we can see that weight of oranges in the range 30 - 40 gms are 4. Similarly for other ranges Table is formulated below, Using the above formulas.
The class limit in this table is exclusive type
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