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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
Mode
B
Median
C
Standard deviation
D
Mean
2) Which measure of average can have more than one value?
A
Standard deviation
B
Mode
C
Mean
D
Median
3) Look at this series of numbers: 25, 21, 12, 14, 8, 19, 17, 12. What's the mean?
A
32
B
128
C
16
D
112
4) Look at this series of numbers: 25, 21, 12, 14, 8, 19, 17, 12. What's the mode?
A
12
B
18
C
21
D
14
5) Look at this series of numbers: 25, 21, 12, 14, 8, 19, 17, 12. What's the median?
A
16
B
14
C
15
D
15.5
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
125
B
242
C
48.4
D
60.5
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
Girls
B
None
C
Boys
D
Both the same
8) The heights in cm of seven children were 151, 160, 148, 143, 127, 159 and 133. What is the median height?
A
151
B
148
C
145
D
143
9) Find the median in this list of numbers: 4, 3, 4, 3, 4, 3.
A
3
B
3.5
C
5
D
4
10) Find the mode in the following list of numbers: 2, 3, 4, 2, 3, 4, 2, 5, 3, 2, 5.
A
2
B
3
C
4
D
5
*select an answer for all questions
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