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Question
Write a short note on the following:
1 The weekly salaries of a group of employees are given in the following table. Find the mean and standard deviation of the salaries
Salaries (in Rupees)
75
80
85
90
95
100
No. of persons
3
7
18
12
6
4
2 Find the standard deviation of profit of 100 companies-
Profit in crores
8-10
10-12
12-14
14-16
16-18
18-20
Number of companies
16
24
40
60
20
3 Prepare a bar diagram for the following data: India's foreign debt as on 1.4.1980
Source of borrowing
U. S. A
U. S. S. R
U. K.
Japan
Federal Republic of Germany
Amounts of loan (in crores of Rs.)
1,800
1,200
800
600
500
4 Derive the coordinates of the point P, which divides A(x1, y1) and B(x2, y2) internally in the ratio m: n
51/6 divided by 31/3
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Kevin ran 6.8 miles yesterday and 10.4 miles presently. How many more miles did he run today? To ?nd out how many more miles he ran today, subtract yesterday's miles from today
what is mean and mode
The Rank Correlation Coefficient (R) Also identified as the spearman rank correlation coefficient, its reasons is to establish whether there is any form of association among tw
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Use your keyboard to control a linear interpolation between the original mesh and its planar target shape a. Each vertex vi has its original 3D coordinates pi and 2D coordinates
Q. Find the number of ways three letter "words" can be chosen from the alphabet if none of the letters can be repeated? Solution: There are 26 ways of choosing the first lett
2cos^2x-sinx=1......Find x
a doctor sees 3 boys to 5 girls in one week . If he sees 40 boys in one day then how many girls does he see that day
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