Measures Of Central Tendency (ME7) Question Preview (ID: 20561)


This Test Is How To Determine Your Knowledge And Skills In Performing Statistics. TEACHERS: click here for quick copy question ID numbers.

A value or measure obtained from a population.
a) Statistics
b) Inferential Statistics
c) Parameter
d) Descriptive Statistics

A graph that uses bars of various heights to represent the frequencies.
a) Histogram
b) Bar Graph
c) Pie Graph
d) Pareto Graph

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) Pie Graph
b) Bar Graph
c) Pareto Graph
d) Ogive Graph

It is the center most observation that divides the data.
a) Mean
b) Median
c) Mode
d) Frequency

A set of observations into four equal parts.
a) Quantiles
b) Deciles
c) Quartiles
d) Percentiles

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) 22
d) 19

Find the median of the following set of observation. 11,11,13,15,16,17,18,18,19,20.
a) 15
b) 15.5
c) 16.5
d) 17.5

Find the mode of the set of observation shown. 15, 13, 13, 14, 17, 17, 18, 12, 17.
a) 17
b) 15
c) 13
d) 14

All of these are the properties of median, EXPECT.
a) It is also a unique value in any set of data.
b) It is associated with ordinal data.
c) Its value is not affected by the extreme values.
d) It may not exist.

The 1st quartile of the ages of 250 BS Math students is 17 years. Which of the following statements is true?
a) Most of the students are below 17 years old.
b) Seventy-five percent of the students are 17 years old and above.
c) Twenty-five percent of the students are 17 years old.
d) One hundred fifty students are younger than 17 years.

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