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Statistical Concentration And Dispersion Parameters - Test
Test Description: This test is about the statistical concentration and dispersion parameters
Instructions: Answer all questions to get your test result.
1) Which measure of average requires you to put the data in numerical order?
A
Median
B
Mode
C
Mean
D
Standard deviation
2) Which measure of average can have more than one value?
A
Mode
B
Mean
C
Standard deviation
D
Median
3) Look at this series of numbers: 25, 21, 12, 14, 8, 19, 17, 12. What's the mean?
A
32
B
112
C
128
D
16
4) Look at this series of numbers: 25, 21, 12, 14, 8, 19, 17, 12. What's the mode?
A
14
B
12
C
18
D
21
5) Look at this series of numbers: 25, 21, 12, 14, 8, 19, 17, 12. What's the median?
A
15
B
14
C
15.5
D
16
6) Five pupils in a class were weighed and their weights were 47kg, 51kg, 46kg, 50kg, and 48kg. Find the mean weight of the pupils.
A
60.5
B
125
C
242
D
48.4
7) In a maths test the marks for the boys were 9, 7, 8, 7, 5 and the marks for the girls were 6, 3, 9, 8, 2, 2. Who had a higher mean mark, the boys or the girls?
A
None
B
Boys
C
Both the same
D
Girls
8) The heights in cm of seven children were 151, 160, 148, 143, 127, 159 and 133. What is the median height?
A
148
B
143
C
145
D
151
9) Find the median in this list of numbers: 4, 3, 4, 3, 4, 3.
A
4
B
3.5
C
5
D
3
10) Find the mode in the following list of numbers: 2, 3, 4, 2, 3, 4, 2, 5, 3, 2, 5.
A
5
B
2
C
4
D
3
*select an answer for all questions
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