Range of the data 4, 8, 9, 3, 10 is…….
a) 4
b) 7
c) 8
d) 10
Solution:Range =Higest value–Lowest value
Range = 10 – 3 = 7
The frequency of 2 in 3,2,5,1,2,1,3,2,4 is ……
a) 2
b) 3
c) 4
d) 5
Solution:3,2,5,1,2,1,3,2,4 = 3 time
The median of the set 6, 4, 2, 3, 4, 5, 5,4 would be…….
a) 3
b) 6
c) 5
d) 4
Solution: 2, 3, 4, 4, 4, 5, 5, 6 even number
= 8/2 = 4
Following are the weights (in pounds) of ten students, 88, 72, 115, 70, 90, 95, 90, 81, 95, 125. What is the mode and median?
a) Mode 90, Median 90
b) Mode 90, Median 95
c) Mode 90, 95, Median 180
d) Mode 90, 95, Median 90
The heartbeat of a child was
recorded as 120, 121, 120, 125, 119, 118, 124 what is the Mean and Mode?
a) Mean 120, Mode 121
b) Mean 121, Mode 120
c) Mean 125, Mode 118
d) Mean 120, Mode 124
What is the mean of the given
data 6, 4, 15, 12, 20, 28, 30, 25, 10,
25
a) 17.5
b) 18.5
c) 48
d) 8
