Worksheets

Mean, median and mode

Level 3 · Decimals and a missing value

Type your answers and press Check. Each answer is marked at once.

Find the mean.

1.
13,  20,  29,  3013,\;20,\;29,\;30
2.
13,  16,  28,  1013,\;16,\;28,\;10
3.
8.1,  6,  1.4,  5.78.1,\;6,\;1.4,\;5.7
4.
4.8,  2.5,  9.7,  9.14.8,\;2.5,\;9.7,\;9.1
5.
The mean of 5,  5,  55,\;5,\;5 and x is 1010. Find x.
6.
The mean of 11,  8,  1511,\;8,\;15 and x is 1515. Find x.
7.
The mean of 14,  9,  1414,\;9,\;14 and x is 1515. Find x.
8.
The mean of 14,  17,  114,\;17,\;1 and x is 99. Find x.

Find the range.

9.
5,  −14,  2,  9,  9,  14,  −15,\;-14,\;2,\;9,\;9,\;14,\;-1
10.
0,  4,  10,  −9,  −9,  −9,  −80,\;4,\;10,\;-9,\;-9,\;-9,\;-8