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 11
A data set consists of the following values: 10, 15, 20, 25, 100. Which measure of central tendency best represents the data?
Describe a situation where the median is a better measure of central tendency than the mean.
Explain why the mean is not always the best measure of central tendency.
If the mode of a data set is 12, what does this tell you about the data?
A data set consists of the following values: 10, 15, 20, 25, 100. Which measure of central tendency best represents the data?
A data set has the following values: 2, 4, 6, 8, 10. What is the mean?
A set of numbers has a mean of 10. If each number in the set is increased by 3, what is the new mean?
Calculate the mean of the following data: 3, 7, 7, 10, 12.
If a data set has two modes, it is called:
(1) Unimodal
(2) Bimodal
(3) Multimodal
(4) Trimodal
Which measure of central tendency is most affected by extreme values (outliers)?
(1) Mean
(2) Median
(3) Mode
(4) All are equally affected
Which of the following is NOT a measure of central tendency?
(1) Mean
(2) Median
(3) Mode
(4) Range
Which of the following is true about the median?
(1) It is always affected by outliers
(2) It divides the data into two equal halves
(3) It is always the most frequent value
(4) It is always greater than the mean
Fill in the blank: In a data set with an even number of values, the median is the _______ of the two middle values.
Fill in the blank: The _______ is the middle value when the data is arranged in order.
Fill in the blank: The _______ is the value that occurs most frequently in a data set.
Fill in the blank: The sum of the deviations of the values from their mean is always _______.
True or False: The mean is always greater than the median in a positively skewed distribution.
True or False: The mean, median, and mode are always equal in a perfectly symmetrical distribution.
True or False: The median is always one of the values in the data set.
True or False: The mode can never be less than the median.
