Measures of Central Tendency
Math ⇒ Statistics and Probability
Measures of Central Tendency starts at 6 and continues till grade 12.
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See sample questions for grade 10
A data set is: 2, 4, 6, 8, 10. If 20 is added to the data set, what happens to the mean?
Explain the difference between mean and median.
Explain what is meant by a 'bimodal' data set.
Explain why the median is a better measure than the mean for skewed data.
If a data set has all values the same, what can you say about the mean, median, and mode?
A data set is: 2, 4, 6, 8, 10. If 20 is added to the data set, what happens to the mean?
A set of numbers is: 8, 12, 15, 20, 25. If 100 is added to the set, which measure of central tendency will change the most?
If a data set has all values the same, what can you say about the mean, median, and mode?
If a data set has two modes, it is called:
(1) Unimodal
(2) Bimodal
(3) Multimodal
(4) Trimodal
Which measure of central tendency is best to use when the data set contains outliers?
(1) Mean
(2) Median
(3) Mode
(4) All are equally good
Which measure of central tendency is most affected by extreme values (outliers)?
(1) Mean
(2) Median
(3) Mode
(4) None of the above
Which measure of central tendency is most appropriate for categorical data?
(1) Mean
(2) Median
(3) Mode
(4) None of the above
Fill in the blank: The _______ is the sum of all values divided by the number of values.
Fill in the blank: The _______ is the value that lies in the middle of a data set when arranged in order.
Fill in the blank: The _______ is the value that occurs most frequently in a data set.
Fill in the blank: The mean is also known as the _______ average.
True or False: The mean can be a value that is not present in the data set.
True or False: The mean is always greater than the median.
True or False: The mean is always one of the values in the data set.
True or False: The median is always one of the values in the data set.
