In a retail market, fruit vendors were selling mangoes kept in packing boxes. These boxes contained varying number of mangoes. The following was the distribution of mangoes according to the number of boxes.
Number of mangoes
50−52
53−55
56−58
59−61
62−64
Number of boxes
15
110
135
115
25
Find the mean number of mangoes kept in a packing box. Which method of finding the mean did you choose?
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Solution
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Number of mangoes
Number of boxes
xi
fixi
50-52
15
51
765
53-55
110
54
5940
56-58
135
57
7695
59-61
115
60
6900
62-64
25
63
1575
Σfi=400
Σfixi=22875
¯x=ΣfixiΣfi=22875400=57.1875
Hence, the mean number of mangoes kept in a packing box is 57.1875.
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Similar Questions
Q1
In a retail market, fruit vendors were selling mangoes kept in packing boxes. These boxes contained varying number of mangoes. The following was the distribution of mangoes according to the number of boxes.
Number of mangoes
50−52
53−55
56−58
59−61
62−64
Number of boxes
15
110
135
115
25
Find the mean number of mangoes kept in a packing box. Which method of finding the mean did you choose?
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Q2
In a retail market , fruit vendors were selling mangoes kept in packed boxes. These boxes contained different number of mangoes. The following was the distribution of mangoes according to the number of boxes ?
Number of mangoes
50−52
53−55
56−58
59−61
62−64
Number of boxes
15
110
135
115
25
Find the mean number of mangoes using step-deviation method.
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Q3
In a retail market, fruit vendors were selling mangoes kept in packing boxes. These boxes contained varying number of mangoes. The following was the distribution of mangoes according to the number of boxes.
Number of mangoes:
50−52
53−55
56−58
59−61
62−64
Number of boxes:
15
110
135
115
25
Find the mean number of mangoes kept in a packing box. Which method of finding the mean did you choose?