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
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.
Minimum (Min)
Middle of the data set. Half the data (50%) lies below this value and half (50%) lies above.
Maximum (Max)
The highest value of the data set
First Quartile (Q1)
The lowest value of the data set
Third Quartile (Q3)
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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