Page 2 - WS

(c) mode
(d) None of these

6. Construction of cumulative frequency table is useful in determining the __________

7. Which measure of central tendency is given by the x-coordinate of the point of intersection
of the “more than ogive” and “less than ogive”?

8. In drawing ogive, cumulative frequencies are marked on _______ axis.

9. The following table gives the frequency distribution of the marks, obtained in a test given
to 300 candidates. Construct a table showing the cumulative frequency of less than type and
find the co-ordinate of the point for plotting to draw ogive.

Marks obtained Number of candidates
0 - 10 10
10 - 20 10

20 - 30 20
30 - 40 20

40 - 50 25
50 - 60 25
60 - 70 40

70 - 80 55
80 - 90 45
90 - 100 20

100 - 110 20
110 - 120 10

10.The annual profits earned by 30 shops of a shopping complex in a locality give rise to the
following distribution:-
Profit (in lakhs Rs) Number of Shops (frequency)
More than or equal to 5 30
More than or equal to 10 28
More than or equal to 15 16
More than or equal to 20 14
More than or equal to 25 10

More than or equal to 30 7
2