Mathematics
Grade 9
15 min
Changes in mean, median, mode, and range
Changes in mean, median, mode, and range
Tutorial Preview
1
Data set: {2, 3, 4, 4, 7}. What happens if we add 14?
2
Data set: {10, 12, 15, 15, 20}. What happens if we remove 15?
3
Data set: {5, 6, 8, 10, 11}. What if we change 11 to 21?
Sample Practice Questions
Easy
Consider the set {1, 2, 3}. If you add the number 10, how does the mean change?
0.Increases
1.Decreases
2.Same
3.Becomes 0
Easy
Consider the set {8, 9, 10}. If you add the number 1, how does the range change?
0.Increases
1.Decreases
2.Same
3.Becomes 1
Easy
From the set {5, 5, 10}, if you remove one 5, what happens to the mode?
0.No mode
1.Stays 5
2.Becomes 10
3.Doubles
Want to practice and check your answers?
Sign up to access all questions with instant feedback, explanations, and progress tracking.
Start Practicing Free