Mathematics Grade 7 15 min

Mean, median, mode, and range: find the missing number

Mean, median, mode, and range: find the missing number

Tutorial Preview

1

The numbers 3, 5, 10, and x have a mean of 6. Find x.

2

The ordered numbers 2, 5, x, 12, 15 have a median of 8. Find x.

3

The numbers 4, 9, 2, and x have a range of 10. The smallest number is 2. Find x.

Sample Practice Questions

Easy
The numbers 2, 4, and x have a mean of 3. What is x?
0.1
1.2
2.3
3.4
Easy
The ordered list is 5, x, 10. The median is 7. What is x?
0.5
1.6
2.7
3.8
Easy
The numbers 1, 8, and x have a range of 7. The lowest is 1. What is x?
0.6
1.7
2.8
3.9

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