Outliers and 1.5 IQR rule
Quiz
•
Mathematics
•
10th - 12th Grade
•
Practice Problem
•
Medium
+3
Standards-aligned
Jared Day
Used 12+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the range of the data.
16, 28, 6, 19, 21, 15, 22, 33, 17
18
27
30
12
Tags
CCSS.4.MD.B.4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the median, first quartile, third quartile, and interquartile range of the data.
203, 183, 212, 181, 157, 204, 189, 190
Median: 189
First Quartile: 182
Third Quartile: 203
IQR: 21
Median: 189.5
First Quartile: 182
Third Quartile: 203
IQR: 21
Median: 189
First Quartile: 182
Third Quartile: 203.5
IQR: 21.5
Median: 189.5
First Quartile: 182
Third Quartile: 203.5
IQR: 21.5
Tags
CCSS.7.EE.B.3
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Use the interquartile range to identify any outliers in the following data.
23, 22, 25, 16, 27, 43, 29, 40, 35
No outliers.
43 is an outlier.
Tags
CCSS.6.SP.A.2
CCSS.6.SP.A.3
CCSS.6.SP.B.5
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Use the interquartile range to identify any outliers in the following data.
52, 63, 55, 56, 62, 54, 59, 60, 53, 61, 88
No outliers.
88 is an outlier.
Tags
CCSS.6.SP.A.2
CCSS.6.SP.A.3
CCSS.6.SP.B.5
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The data set below has an outlier of 42.
2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42
What effect does removing the outlier have on the distribution of the data?
The mean will decrease
The median will decrease
The mean will increase
The median will increase
Tags
CCSS.6.SP.A.2
CCSS.6.SP.A.3
CCSS.6.SP.B.5
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Using the information below, identify which of the following is NOT an outlier:
Q1 = 53
Q2 = 55
Q3=61
73
40
80
73.5
Tags
CCSS.6.SP.A.2
CCSS.6.SP.A.3
CCSS.6.SP.B.5
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the Mean of the following numbers:
84, 88, 72, 74, 98, 16, 94
(Round to the nearest tenth.)
Tags
CCSS.6.NS.B.3
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