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Measures of Central Tendency
Calculate mode with the help of graph and verify the answer by calculation:
calculation :
|
X : |
0-10 |
10-20 |
20-30 |
30-40 |
40-50 |
50-60 |
60-70 |
|
f: |
5 |
10 |
20 |
25 |
20 |
10 |
5 |
Calculation of Mode Graphically:
Verification of result by calculation :
By observation we come to know that Modal class is 30 - 40.
Sponsor Area
The size of land holdings of 380 families in a village is given below. Find the median size of land holdings.
|
Size of Land Holdings (in acres) |
Number of families |
|
less than 100 100-200 200-300 300-400 400 and above |
40 89 148 64 39 |
What do you mean by 'Average'?
Pocket expenditures of 6 students are (Rs.) 6,12,18,24,30 and 36 respectively. Find out arithmetic mean.
Name various kinds of statistical averages?
Give formula of weighted averages.
Give formula of calculating arithmetic average of a continuous series.
What is arithmetic mean?
Define median.
Define mode.
Give formula for finding out median.
Sponsor Area
Sponsor Area