1. Put the following data in the form of a frequency distribution with a difference of 10 (inclusive method);
33, 19, 10, 15, 16, 19, 21, 20, 17, 28, 27, 35, 37, 39, 39, 40, 41, 42, 29, 28, 29, 38, 41, 46, 45, 35, 37, 34, 35, 26, 37, 58, 43, 48, 45, 46, 49, 52, 54, 57.
2. Represent the following data by a multiple bar diagram.
Years. Income (in ‘000 Rs) Firm A Firm B Firm C 2006 24 30 45 2007 20 45 30 2008 15 35 40
3. Construct a subdivided bar diagram to represent the following data: Year Production (in million tons) Rubber Coffee Pulses 1995 18 23 20 1996 15 10 17 1997 20 18 23
4. Represent the following data with the help of a pie diagram: Items of Expenditure Amount spent in Rs Food 40 Clothing 20 Fuel and Lighting 50 House Rent 70 Others 20
5. Represent the following data in a time series graph:
Years 2004 2005 2006 2007 2008 2009 2010 Firm A 2.4 2.9 5.1 4.3 2.7 5.8 4.1 Firm B 2.1 2.6 5.8 4.7 3.1 4.9 5.2 6. Construct a frequency polygon with the help of the following data:
Wages (in Rs): 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 No. workers : 10 18 35 30 20 12 8 3 7. Calculate mean, median and mode from the following data:
Wages (in Rs): 80-90 70-80 60-70 50-60 40-50 30-40 No.workers : 7 9 10 15 5 4
of students are 75, 84, 93, 102, 111, 120 and 129.
Find
A)Width of the class or size of the Class Interval.
B)The class limits [Inclusive series]
Class boundaries [Exclusive series]
From the following data relating to weights of 30 students in kg 138,
164, 150, 131, 144, 125, 149, 157, 146, 148, 144, 168, 126, 138, 176, 163,
119, 150, 165, 146, 142, 135, 140, 135, 161, 145, 150, 156, 145, 128.
Obtain the range of weights of the students.
Write appropriate number of class intervals and obtain the
frequency distribution.
Find the number of students whose weight is
Less than 145kg
More than 155kg III Between 135 and 155 kg.
1. Put the following data in the form of a frequency distribution with a difference of 10 (inclusive method);
33, 19, 10, 15, 16, 19, 21, 20, 17, 28, 27, 35, 37, 39, 39, 40, 41, 42, 29, 28, 29, 38, 41, 46, 45, 35, 37, 34, 35, 26, 37, 58, 43, 48, 45, 46, 49, 52, 54, 57.
2. Represent the following data by a multiple bar diagram.
Years. Income (in ‘000 Rs)
Firm A Firm B Firm C
2006 24 30 45
2007 20 45 30
2008 15 35 40
3. Construct a subdivided bar diagram to represent the following data:
Year Production (in million tons)
Rubber Coffee Pulses
1995 18 23 20
1996 15 10 17
1997 20 18 23
4. Represent the following data with the help of a pie diagram:
Items of Expenditure Amount spent in Rs
Food
Clothing
Fuel and Lighting 50
House Rent
Others
5. Represent the following data in a time series graph:
Years 2004 2005 2006 2007 2008 2009 2010
Firm A 2.4 2.9 5.1 4.3 2.7 5.8 4.1
Firm B 2.1 2.6 5.8 4.7 3.1 4.9 5.2
6. Construct a frequency polygon with the help of the following data:
Wages (in Rs): 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80
No. workers : 10 18 35 30 20 12 8 3
7. Calculate mean, median and mode from the following data:
Wages (in Rs): 80-90 70-80 60-70 50-60 40-50 30-40
No.workers : 7 9 10 15 5 4