A l g e b r a MeanMed Mode
posted by Marko on .
can you check my answers i have to find the mean, median and mode
1)
8 12 6 9 5
mean: 8
median : 8
mode : no mode
2) 3.4 0.53 1.3 2.9 1.47 0.24
mean: 1.64
median : 1.385
mode: no mode
3) 6 3 2 6 7 3 5 8
mean : 1
median : 1 (? not sure on that)
mode : no mode
4) 17 32 9 0 52 12 14
mean: 8
median: 0
mode no mode
5) 75 72 46 77 70 80 68
mean: 70.25
median : 73
mode: no mode
6) 15 12 19 0 20 14
mean: 13.33
median : 14.5
mode: no mode
7) 5.3 5.1 5.2 14.7 5.8 5.9 5.4
mean: 6.77
median: 5.4
mode: no mode
8) 4 1 16 2 0 3 6 2
mean: 1.25
median: 1
mode: no mode

I don't have time to check all the problems, but here is a sampling of some of the errors I found.
3. With even number of scores, median is mean of two middle scores, (2+3)/2 = .5. Same with 8.
5. With odd number of scores, median is middlemost score, 72.
8. Watch signs for mean.