Homework Help: A l g e b r a MeanMed Mode

Posted by Marko on Wednesday, September 28, 2011 at 7:22pm.

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

A l g e b r a MeanMed Mode - PsyDAG, Thursday, September 29, 2011 at 11:39am
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 middle-most score, 72.

8. Watch signs for mean.

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