Question

156
Mathematics VIII
Note:
- It depends neither on number of observations nor values of all observations.
* Mode is the most frequent observation of the given data.
* It is used to analyse both numerical and verbal data.
* There may be 2 or 3 or many modes for the same data.
Exercise - 7.1
1.
Find the arithmetic mean of the sales per day in a fair price shop in a week.
210000, 2.10250, 5.10790, 7.9865, 3.15350, 7.10110
Find the mean of the data;10.25, 9, 4.75, 8, 2.65, 12, 2.35
2.
3.
the remaining
4.
Mean of eight observations is 25. If one observation 11 is excluded, find th
Arithmetic mean of nine observations is calculated as 38. But in doing so,
the observation 27 is taken instead of 72. Find the actual mean of the data
Five years ago mean age of a family was 25 years. What is the present n​

Answer 1

Answer:

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