Statistics
From the following table, what was the value of the cumulative price for the product tablet?
Product | Price |
phone | 120 |
tablet | 200 |
blue-tooth | 90 |
(1) 300
(2) 310
(3) 320
(4) 330
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 3 Solution : -. |
Statistics
A family spends Rs. 6,000 p.m. to meet the monthly expenditure. The expenditure has been shown in the given pie diagram. The miscellaneous expenditure is
(1) Rs. 1,500
(2) Rs. 2,000
(3) Rs. 1,200
(4) Rs. 3,000
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 2 Solution : -. |
Statistics
The arithmetic mean and mode of a data are 24 and 12 respectively, Then the median of the data is
(1) 20
(2) 18
(3) 21
(4) 22
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 1 Solution : -. |
Statistics
The median of first 12 prime numbers is :
(1) 13
(2) 14
(3) 15
(4) 17
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 3 Solution : -. |
Statistics
Compute mode for the following data
7, 7, 8, 8, 8, 9, 9, 10, 10, 10, 11, 11, 12, 13, 13
1) 10.4
2) 10.2
3) 9.8
4) 10.5
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 4 Solution : -. |
Statistics
The median from the following distribution is
Class: | 5-10 | 10-15 | 15-20 | 20-25 | 25-30 | 30-35 | 35-40 | 40-45 |
Frequency: | 5 | 6 | 15 | 10 | 5 | 4 | 2 | 2 |
(1) 19
(2) 19.5
(3) 20
(4) 18
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 2 Solution : -. |
Statistics
If y=f(x) be a monotonically increasing or decreasing function of x and M is the median of variable x, then the median of y is
(1) f(M)
(2) M/2
(3) f−1(M)
(4) none of these
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 1 Solution : -. |
Statistics
A school has 20 teachers, one of them retires at the age of 60 years and a new teacher replaces him, this change reduces the average age of the staff by 2 years, the age of new teacher is
(1) 28 years
(2) 25 years
(3) 20 years
(4) 18 years
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 3 Solution : -. |
Statistics
The mean and median of the data x,y,z are 50 and 35respectively, where x<y<z. If z−x=55, then the value of (y−x) is
(1) 8
(2) 7
(3) 3
(4) 5
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 4 Solution : -. |