Question

26. Find the sum of the lower limit of the median class and the upper
limit of the modal class:
Classes
10-20 20-30 3040 40-50 50-60 60-70
Frequency 1
3
5
7
3​

Answer 1

Answer:

Their sum = 40 + 50 = 90

Step-by-step explanation:

$median \: = \frac{n}{2} th \\ \\ \frac{28}{2} = 14th \: tearm \\ therefore \: meadian \: class \: = 40 - 50 \\ modal \: class \: = 40 - 50 \\ lower \: limit \: = 40 \\ upper \: limit \: = 50$

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