26. The mean of the following frequency distribution is 25. Find the value of p.
Class interval
0-10
10-20
20-30
30-40
40-50
Frequency
4
6
10
6
р
Answers
Answered by
7
Answer:
4
Step-by-step explanation:
570+45p/26+p= 25
650+25p= 570+45p
80=20p
p= 4
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