Mathematics
Grade 7
15 min
Changes in mean, median, mode, and range
Changes in mean, median, mode, and range
Tutorial Preview
1
A data set is {2, 4, 6}. What happens to the mean if we add 12?
2
A data set is {5, 8, 8, 10, 14}. What happens to the range if we remove 14?
3
A data set is {10, 20, 30, 30, 40}. What happens to the median if we change 40 to 25?
Sample Practice Questions
Easy
The data set is {1, 2, 3}. If you add the number 10, will the mean increase or decrease?
0.Increase
1.Decrease
2.Stay same
3.Not enough info
Easy
The data set is {5, 5, 5}. If you add the number 1, will the mean increase or decrease?
0.Increase
1.Decrease
2.Stay same
3.Not enough info
Easy
The data set is {2, 4, 6, 8}. If you remove the number 8, what is the new range?
0.2
1.4
2.6
3.8
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