Question

f
17
32
6.
If the median of 60 observations, given below is 28.5. Find the values of 'x' and 'y'.
0-10
20-30
Class Interval
10-20
30-40 40 - 5050 - 60
15
5
у
20
Frequency
5
Х
7.
Mean of the following data is 20 then, find p.
15
17
X
19
23
20+ P
f
2.
3
4
6
5p
2 Marks :
1. White the formula of median for a grouped data. Exp;ain the terms in words.
2. Write the mode formula for grouped data and explain the terms in it.
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Answer 1

Answer:

4886

285

83956

39587

29586