answers of NM SHAH statistics class 11 chapter 10
The yield of wheat and rice per acre for 10 districts of a state is as under:
District
1
2
3
4
5
6
7
8
9
10
Wheat
12
15
19
21
16
18
25
Rice
22
29
23
34
Calculate for each crop,
(i) Range
(ii) Q.D.
(iii) Mean Deviation about Mean
(iv) Mean Deviation about Median
(v) Standard Deviation
(vi) Which crop has greater variation?
(vii) Compare the value of different measures for each crop.
prepare a pie-chart from the following data:
sector
primary
secondary
transport
Finance and insurance
Community and social services
Percent share
18.2
27.8
17.5
13.5
can i get the solution of T.R.Jain of economics class 11?
how do we draw lorenz curve
draw lorenz curve
INCOME-- 2500 7500 15000 30000 45000
NO. OF PEOPLE-- 5 10 28 10 7
Explain briefly the role of computer in statistics
A batsman is to be selected for a cricket team. The choice is between X and Y on the basis of their scores in five previous tests which are:
X
85
40
80
120
Y
50
70
65
45
Which batsman should be selected if we want,
(i) a higher run getter, or
(ii) a more reliable batsman in the team?
three difference between standard deviation and mean deviation
Which measure of dispersion is the best and how?
what are open ended series?
In a town, 25% of the persons earned more than Rs 45,000 whereas 75% earned more than 18,000. Calculate the absolute and relative values of dispersion.
Average daily wage of 50 workers of a factory was Rs 200 with a Standard Deviation of Rs 40. Each worker is given a raise of Rs 20. What is the new average daily wage and Standard Deviation? Have the wages become more or less uniform?
The sum of 10 values is 100 and the sum of their squares is 1090. Find out the Coefficient of Variation.
Calculate mean deviation from the following data, using mean and median respectively.
SIZE 4, 6, 8, 10, 12, 14, 16
FREQUENCY 2, 4, 5, 3, 2, 1, 4
answers of NM SHAH statistics class 11 chapter 10
The yield of wheat and rice per acre for 10 districts of a state is as under:
District
1
2
3
4
5
6
7
8
9
10
Wheat
12
10
15
19
21
16
18
9
25
10
Rice
22
29
12
23
18
15
12
34
18
12
Calculate for each crop,
(i) Range
(ii) Q.D.
(iii) Mean Deviation about Mean
(iv) Mean Deviation about Median
(v) Standard Deviation
(vi) Which crop has greater variation?
(vii) Compare the value of different measures for each crop.
prepare a pie-chart from the following data:
sector
primary
secondary
transport
Finance and insurance
Community and social services
Percent share
18.2
23
27.8
17.5
13.5
can i get the solution of T.R.Jain of economics class 11?
how do we draw lorenz curve
draw lorenz curve
INCOME-- 2500 7500 15000 30000 45000
NO. OF PEOPLE-- 5 10 28 10 7
Explain briefly the role of computer in statistics
A batsman is to be selected for a cricket team. The choice is between X and Y on the basis of their scores in five previous tests which are:
X
25
85
40
80
120
Y
50
70
65
45
80
Which batsman should be selected if we want,
(i) a higher run getter, or
(ii) a more reliable batsman in the team?
three difference between standard deviation and mean deviation
Which measure of dispersion is the best and how?
what are open ended series?
In a town, 25% of the persons earned more than Rs 45,000 whereas 75% earned more than 18,000. Calculate the absolute and relative values of dispersion.
Average daily wage of 50 workers of a factory was Rs 200 with a Standard Deviation of Rs 40. Each worker is given a raise of Rs 20. What is the new average daily wage and Standard Deviation? Have the wages become more or less uniform?
The sum of 10 values is 100 and the sum of their squares is 1090. Find out the Coefficient of Variation.
Calculate mean deviation from the following data, using mean and median respectively.
SIZE 4, 6, 8, 10, 12, 14, 16
FREQUENCY 2, 4, 5, 3, 2, 1, 4