
Standard Deviation and Interquartile Range
Authored by Anthony Clark
Mathematics
9th Grade
Used 2+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate the interquartile range of the following data17, 18, 18, 19, 20, 21, 21, 23, 25
3
4
5
8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the interquartile range (IQR)?
4
64
60
8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If we use the mean to measure the typical value or center of the data, we would use the _________ to measure the variability.
IQR
Median
Mean
Standard Deviation
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If we use the median to measure the typical value or center of the data, we would use the _________ to measure the variability.
Mode
MAD
Standard Deviation
IQR or Interquartile Range
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A dataset has a low of 15, a high of 75, a median of 45, and a first quartile of 30. What is the interquartile range of the dataset?
15
30
45
60
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A box and whisker plot shows the minimum grade as 65, the maximum grade as 95, the median grade as 80, and the first and third quartiles as 70 and 90, respectively. What is the interquartile range of the grades?
15
20
25
30
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
The two measures of center we've study this unit are...
Interquartile Range
Mean Absolute Deviation
Mean
Median
Standard Deviation
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