Plzzzz solve the first question.
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hey mate here's ur answer
Explanation:
Answer 1
Salary (In thousand Rs.)No. of persons (f)cf5-10494910-1513318215-206324520-251526025-30626630-35727335-40427740-45227945-501280
Here, N = 280
N/2 = 280/2 = 140
It is less than 182, hence consider 182 cumulative frequency for the median class.
Median class = 10-15
C = 49. f = 133, l = 10, h = (15 - 10) = 5
Now use the formula,

Median = 10 + (140 - 49)/133 × 5
= 10 + 91 × 5/133
= 13.42
Median salary is Rs.13.42 thousand or Rs.13420
ANSWER 2 IN THE ATTACHMENT
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