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Related QuestionsVIEW ALL [9]
Comment whether the following statement is true or false.
The arithmetic mean is a positional value.
If the arithmetic mean of the data given below is 28, find (a) the missing frequency, and (b) the median of the series:
Profit per retail shop (in Rs) |
0 – 10 |
10 – 20 |
20 – 30 |
30 – 40 |
40 – 50 |
50 – 60 |
Number of retail shops |
12 |
18 |
27 |
– |
17 |
6 |
Following information pertains to the daily income of 150 families. Calculate the arithmetic mean.
Income (in Rs) |
Number of families |
More than 75 |
150 |
More than 85 |
140 |
More than 95 |
115 |
More than 105 |
95 |
More than 115 |
70 |
More than 125 |
60 |
More than 135 |
40 |
More than 145 |
25 |
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