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Subject: Economics, asked on 11/5/18

Calculate using short cut method

Subject: Economics, asked on 11/5/18

Q). Calculate arithmetic mean by using short cut method.

Subject: Economics, asked on 9/3/18

Solve this:
1. Given the following data , Find out quartile deviation and the coefficient of quartile deviation:
 
Wages (Rs) 0-5 5-10 10-15 15-20 20-25 25-30
 Number of Workers 4 6 3 8 12 7


                                                                  (Ans QD = 6.87, Coefficient of QD =0.4)
 

Subject: Economics, asked on 6/2/18

Sum of the deviations of different values from the arithmetic mean is always equal to - (a) zero (b) one (c) less than 1 (d) more than 1

Subject: Economics, asked on 18/12/17

Draw a blank table to show the distribution of population according to sex , literacy and income.

Subject: Economics, asked on 3/11/17

Calculate mode of the following series:
Marks 0-20 20-60 60-80 80-140 140-200
No. of students 10 30 40 15 18

Subject: Economics, asked on 3/11/17


Find the median of the following data
 
Marks(less than) No. of students
10 5
20 20
30 45
40 70
50 80
60 88
70 98
80 100

Subject: Economics, asked on 31/10/17


TICKED QUESTION PLZ ANSWER ASAP

Subject: Economics, asked on 31/10/17


​TICKED QUESTIONS PLZ ANSWER ASAP

Subject: Economics, asked on 29/10/17

Ticked questions and please answer asap:

Q.3 Which average would be suitable in the following cases:
a) Average size of shoes produced;
b) Average votes obtained by candidates in the election;
c) Average production of wheat in UP;
d) Average wages in an industrial concern;
e) When the sum of deviation from the average is Zero;

Q.4 Comment whether the following statements are true or false:
a) The sum of deviation taken from arbitrary value would minimum 
b) Upper Quartile is the lowest value of top 25% of items;
c) Lower quartile is the lowest value of below 25% of items;




 

Subject: Economics, asked on 14/10/17

i need answer for question no 19 plz i need it asap
Q.19. The mean height of 50 students of a college is 68 inches. The height of 30 students below. Find the mean height of the remaining 20 students.
Height (in inches) 64 66 68 70 72
Frequency 4 12 4 8 2

Subject: Economics, asked on 3/10/17

9.  Given the following data on monthly wages of 1000 workers, frequency of two class interval are missing.  Locate these if, Median of the series is 50.
Wages (in Rs) 20-30 30-40 40-50 50-60 60-70 70-80
No. of workers 60 60 ? 200 ? 285

10.  Calculate mode in the following distribution using grouping method:-
Marks 40-49 50-59 60-69 70-79 80-89 90-99
f 12 3∩ 24 20 12 2

Subject: Economics, asked on 1/10/17

Plsesolve qno9 and 7

Q7. Calculate arithmetic mean from the following data using step deviation method:-
        
  Size  20-29 30-39 40-49 50-59  60-69
 frequency   10   8     6     4     2


Q9. Given the following data on monthly wages of 1000 workers, frequency of two class interval are missing Locate these if Median of the series is 56.

Subject: Economics, asked on 1/10/17

Plsesolve qno 10

Subject: Economics, asked on 27/9/17

Q.7. Find out the value of mode from the given data (use grouping method):

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