APPSC Group 2 Practice Test-2 New – Practice it Get Best Practice

In a symmetric distribution the upper and lowest qualities are equidistant from …
a. Mode
b. Mean
c. Median
d. Range

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 ……….
a. 21 years
b. 40 years
c. 20 years
d. 30 years

The arithmetic mean of 9 items is 15 . if one more item is added to this series , the A. M.becomes 16 , the value of 10th item is….
a. 29
b. 35
c. 25
d. 46

An Ogive is a graphical representation of……..
a. An ordinary frequency distribution
b. Ungrouped item values
c. A cumulative frequency distribution
d. None

The difference between the maximum and the minimum observations in the data is…..
a. Class interval
b. Range
c. Cumulative frequency
d. Mean

The mean of six numbers is 20 . if one number is excluded the mean is 15 , then the value of the excluded number is……
a. 98
b. 29
c. 62
d. 45

The median of first 12 prime numbers is ………..
a. 20
b. 15
c. 32
d. 46

Find the range of the series of values 25 , 15 , 32 , 17 , 45 , 37 …..
a. 65
b. 30
c. 42
d. 51

The mean of 11 numbers is 35 . if the mean of the first 6 numbers is 32 and that of the last 6 numbers is 37 then the six numbers is……
a. 25
b. 41
c. 29
d. 46

To find median , classes should be …………..
a. Continuous
b. Of same length
c. Of same frequency
d. Discontinuous