2. For the two frequency distribution given below, the mean calculated from the
first was 25.4 and that from the second was 32.5. Find the values of x and y.
4
10-20
20
8
15
20-30
4
30-40
10
40-50
2x
х
50-60
у
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Que. 4 Match the following. *
Demographic transition.
Development of agriculture.
Removal of poverty.
Principle of population.
President.
Malthus.
Computer.
Selected by Prime minister.
Buying cattle.
to buy tractor.
Medium term credit.
Service sector.
A. J. Coale and E.M. Hoover
NITI Aayog vice chairperson.
First five year plan.
Medium term credit.
Service sector.
A. J. Coale and E.M. Hoover
NITI Aayog vice chairperson.
First five year plan.
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