Question

BF4HHH
1.
Let m be the mid point and b be the upper limit of a class in a
continuous frequency distribution. The lower limit of the class is
(1) 2m - 6
(2) 2m+b
(3) m-b
(4) m-26.
2.
The mean of a set of seven numbers is 81. If one of the numbers is discarded, the
mean of the remaining numbers is 78. The value of discarded number is
(1) 101
(2) 100
(3) 99
(4) 98.
3.
A particular observation which occurs maximum number of times in a given data
is called its
(1) Frequency
(2) range
(3) mode
(4) Median.
For which set of numbers do the mean, median and mode all have the same values?
(1) 2,2,2,4
(2) 1,3,3,3,5
(3) 1,1,2,5,6
(4) 1,1,2,1,5.
5.
The algebraic sum of the deviations of a set of n values from their mean is
(1) 0
(2) n-1
(3) n
(4) n+1.​

Answer 1

Answer:

The question is not clear to me