WorksheetsDescriptive statistics
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Given these numbers 1,2,3,4,5,6 what is the mean value?
a)
3.5
b)
4
c)
2.5
d)
6
2.
Mean is not sensitive to outliers
a)
Correct
b)
Wrong
3.
Given these numbers 1,2,3,4,5,6 what is the Median value?
a)
3.5
b)
4
c)
2.5
d)
6
4.
Range of the values 1, ,8, 7, 21, 4, 5, 14, 5, 7, 8, 12 is
a)
20
b)
18
c)
5
d)
12
5.
Median and Mode are not sensitive to outliers
a)
Correct
b)
Wrong
6.
SD is a dispersion measures while IQR is a measure of position
a)
Correct
b)
Wrong
7.
The number in the middle of a sorted list of numbers is
a)
Mean
b)
Median
c)
Range
d)
Sum
8.
Outliers are only the very large numbers over 1.5 IQR above the third quartile
a)
Correct
b)
Wrong
9.
In order to detect outliers we should calculate..
a)
Mean
b)
Median
c)
IQR
d)
Range
10.
SE is derived from the SD and SD is derived from the variance
a)
Correct
b)
Wrong
100 %
