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WorksheetsMeasures of Central Tendency (ungrouped data)
Total questions: 15
Worksheet time: 3hrs 30mins
What is another word for mean?
average
sum
middle
frequent
What is another word for median?
average
sum
middle
frequent
What is mode?
the number that occurs the most in a data set
the average of all the numbers
the middle number in the data
the range of the data
What is the mean of the data below?
1 , 5 , 10 , 11 , 20
10
19
9.4
9.1
What is the median of the data below?
20 , 3 , 17 , 1 , 5 , 4
4
5
4.5
4,5
What is the mode of the data below?
12 , 14 , 5 , 12 , 5 , 12 , 11
5
12
5 and 12
8.5
What is the mean of the following numbers ?
10, 39, 71, 39, 76, 38, 25
42.56
43.57
42.56
42.57
What number would you divide by to calculate the mean of 3, 4, 5, and 6?
5
4
4.5
9
What measure of central tendency is calculated by adding all the values and dividing the
sum by the number of values?
mode
median
mean
center
Determine the mean of the following set of numbers:
40, 61, 95, 79, 9, 50, 80, 63, 109, 42
62.79
61.78
62.80
61.80
What is the median of the following numbers?
10, 25, 38, 38, 39, 42, 71, 76
38.50
39
38
39.50
The front row in a movie theatre has 23 seats. If you were asked to sit in the seat that
occupied the median position, in which seat would you have to sit?
11
11.50
12
13
What is the term used to describe the distribution of a data set with one mode?
UNIMODAL
BIMODAL
TRIMODAL
MULTIMODAL
“What is the median score achieved by a student who recorded the following scores on
9 math quizzes?
68, 55, 70, 62, 71, 58, 81, 82, 63
70
71
63
68
What is the mode of the following numbers, and what word can be used to describe the
distribution of the data set?
3, 5, 4, 10, 3, 3, 4, 7, 4, 6, 5, 11, 9, 5, 7
3, 4, 5 TRIMODAL
3 AND 4 BIMODAL
3, 4,5 AND 7 TRIMODAL
NO MODE
