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Measures Of Central Tendency (ME7)
Test Description: This test is how to determine your knowledge and skills in performing statistics.
Instructions: Answer all questions to get your test result.
1) A value or measure obtained from a population.
A
Statistics
B
Descriptive Statistics
C
Parameter
D
Inferential Statistics
2) A graph that uses bars of various heights to represent the frequencies.
A
Pie Graph
B
Pareto Graph
C
Bar Graph
D
Histogram
3) A line graph is a line graph formed by plotting the cumulative frequencies against the class boundaries and connecting all the consecutive points by straight lines.
A
Bar Graph
B
Pareto Graph
C
Pie Graph
D
Ogive Graph
4) It is the center most observation that divides the data.
A
Mode
B
Mean
C
Median
D
Frequency
5) A set of observations into four equal parts.
A
Quartiles
B
Percentiles
C
Quantiles
D
Deciles
6) The following are the ages of the first ten students who enrolled in a certain college. Find the mean. 23, 21, 18, 17, 19, 21, 20, 18, 19, 24.
A
21
B
20
C
19
D
22
7) Find the median of the following set of observation. 11,11,13,15,16,17,18,18,19,20.
A
15.5
B
15
C
17.5
D
16.5
8) Find the mode of the set of observation shown. 15, 13, 13, 14, 17, 17, 18, 12, 17.
A
14
B
13
C
17
D
15
9) All of these are the properties of median, EXPECT.
A
Its value is not affected by the extreme values.
B
It is associated with ordinal data.
C
It may not exist.
D
It is also a unique value in any set of data.
10) The 1st quartile of the ages of 250 BS Math students is 17 years. Which of the following statements is true?
A
Twenty-five percent of the students are 17 years old.
B
Seventy-five percent of the students are 17 years old and above.
C
One hundred fifty students are younger than 17 years.
D
Most of the students are below 17 years old.
*select an answer for all questions
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