Mathematics
Grade 12
45 min
Identify an outlier and describe the effect of removing it
Tutorial Preview
1
Find the outlier in the data set {2, 3, 4, 5, 15}.
2
How does removing the outlier from {10, 12, 13, 15, 50} affect the mean?
3
How does removing the outlier from {5, 80, 82, 85, 88} affect the median and range?
Sample Practice Questions
Easy
Which number is the outlier in the set {1, 2, 3, 10}?
0.1
1.2
2.3
3.10
Easy
How does removing the outlier from {5, 6, 7, 20} affect the mean?
0.Increase
1.Decrease
2.No change
3.Doubles
Easy
How does removing the outlier from {1, 90, 92, 95} affect the range?
0.Increase
1.Decrease
2.No change
3.Halves
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