Mean with Value Changed (Level 2)
This topic focuses on calculating the mean of a number set after altering one of its elements. It includes problems where a specific number in a list is changed to achieve a new, specified average. These adjustments test understanding of how changing one element influences the overall average, a concept fundamental in statistics. The problems provide multiple choices for what that one number could be changed to in order to reach the desired mean, enhancing problem-solving and analytical skills.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
moreStatistics - Mean with Value Changed Worksheet
| Math worksheet on 'Statistics - Mean with Value Changed (Level 2)'. 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/ |
1
| 4, 8, 9 Change a 8 to change the mean to 8 |
| What can the indicated number can be changed to for these numbers to have the given mean |
a
| 12 |
b
| 8 |
c
| 11 |
d
| 13 |
e
| 16 |
f
| 14 |
2
| 6, 3, 12 Change a 3 to change the mean to 10 |
| What can the indicated number can be changed to for these numbers to have the given mean |
a
| 16 |
b
| 15 |
c
| 8 |
d
| 17 |
e
| 11 |
f
| 12 |
3
| 8, 6, 4 Change a 4 to change the mean to 7 |
| What can the indicated number can be changed to for these numbers to have the given mean |
a
| 2 |
b
| 5 |
c
| 12 |
d
| 7 |
e
| 1 |
f
| 10 |
4
| 9, 7, 5 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 |
a
| 9 |
b
| 12 |
c
| 7 |
d
| 6 |
e
| 15 |
f
| 14 |
5
| 11, 5, 5 Change a 11 to change the mean to 5 |
| What can the indicated number can be changed to for these numbers to have the given mean |
a
| 5 |
b
| 8 |
c
| 9 |
d
| 2 |
e
| 0 |
f
| 7 |
6
| 8, 6, 4 Change a 6 to change the mean to 8 |
| What can the indicated number can be changed to for these numbers to have the given mean |
a
| 10 |
b
| 13 |
c
| 9 |
d
| 17 |
e
| 12 |
f
| 15 |
7
| 8, 2, 11 Change a 8 to change the mean to 6 |
| What can the indicated number can be changed to for these numbers to have the given mean |
a
| 1 |
b
| 0 |
c
| 10 |
d
| 5 |
e
| 7 |
f
| 2 |