In an apple orchard the no.of apples on 80 trees is given below.find the mean number of apples on a tree.40-60,60-80
Answers
Answer:
Step-by-step explanation:
Mean number of Apples
C.I. F XI d=xi-A F×d
40-50 15 45 -30 -450
50-60 25 55 -20 -500
60-70 14 65 -10 -140
70-80 12 75(A) 0 0
80-90 8 85 10 80
90-100 6 95 20 120
Σf=80 Σfd=-890
Assumed mean (M) = A+
= 75-
= 75-
=
=
Mean = 63.875
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