Measures of Center & Spread
Authored by Anthony Clark
Mathematics
9th Grade
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15 questions
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1.
MATCH QUESTION
1 min • 1 pt
Match the following terms with their definitions
The lowest value of the data set
Minimum (Min)
The highest value of the data set
Third Quartile (Q3)
Middle of the data set. Half the data (50%) lies below this value and half (50%) lies above.
First Quartile (Q1)
Middle of the lower half of the data set. 25% of the data lies below this value and 75% lies above.
Median (Q2)
Middle of the upper half of the data set. 75% of the data lies below this value and 25% lies below.
Maximum (Max)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What percentage of the data is between 90 and 140?
25 %
50%
75%
100%
3.
MATH RESPONSE QUESTION
1 min • 1 pt
Given the data:
136, 150, 119, 150, 125, 140.
Find the upper quartile (Q3).
Mathematical Equivalence
ON
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Which measure of center can be described as the average?
Mean
Median
Mode
Range
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Which measure of center can be described as the middle?
Mean
Median
Mode
Range
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Which measure of center can be described as the most common?
Mean
Median
Mode
Range
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is the median of the data set?
9, 7, 2, 4, 3, 5, 9, 6, 8, 0, 3, 8
6
7
5.5
9
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