Mean with Value Changed (Level 5)
This math topic focuses on calculating the mean (average) of a set of numbers and understanding the impact of changing a specific value within the set to achieve a new mean. Each problem provides a list of numbers and tasks the learner with identifying the new value that one of the numbers can be changed to adjust the mean to a specified target. This skill is crucial for interpreting and manipulating data sets in statistics, enhancing problem-solving and analytical thinking in advanced probability and statistics contexts.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
moreMath worksheet on 'Statistics - Mean with Value Changed (Level 5)'. Part of a broader unit on 'Probability and Statistics - Mean, Median, and Mode - Advanced' Learn online: app.mobius.academy/math/units/probability_and_statistics_mean_median_mode_advanced/ |
10, 9, -2, 1, 2 Change a 1 to change the mean to 7 |
What can the indicated number can be changed to for these numbers to have the given mean |
18 |
12 |
17 |
13 |
16 |
10 |
2, 6, 33, 4, 5 Change a 33 to change the mean to 11 |
What can the indicated number can be changed to for these numbers to have the given mean |
36 |
43 |
35 |
42 |
40 |
38 |
5, 10, 12, 9, 9 Change a 9 to change the mean to 8 |
What can the indicated number can be changed to for these numbers to have the given mean |
8 |
7 |
1 |
9 |
2 |
4 |
10, 11, 9, 3, 12 Change a 10 to change the mean to 8 |
What can the indicated number can be changed to for these numbers to have the given mean |
7 |
0 |
5 |
2 |
9 |
10 |
2, 10, 10, 10, 8 Change a 8 to change the mean to 7 |
What can the indicated number can be changed to for these numbers to have the given mean |
6 |
2 |
8 |
5 |
3 |
7 |
8, 1, 10, 2, 9 Change a 8 to change the mean to 7 |
What can the indicated number can be changed to for these numbers to have the given mean |
14 |
10 |
7 |
13 |
15 |
16 |
8, 6, 21, 8, 2 Change a 21 to change the mean to 12 |
What can the indicated number can be changed to for these numbers to have the given mean |
34 |
40 |
36 |
37 |
38 |
35 |