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 middle-most score, 72.

8. Watch signs for mean.

Here are the calculations for each problem:

1)
Mean: To find the mean, add up all the numbers and divide by the total number of items.
(8 + 12 + 6 + 9 + 5) / 5 = 40 / 5 = 8
Median: Arrange the numbers in order and find the middle number.
5, 6, 8, 9, 12 → Middle number: 8
Mode: No number appears more than once, so there is no mode.

2)
Mean: (3.4 + 0.53 + 1.3 + 2.9 + 1.47 + 0.24) / 6 = 9.94 / 6 = 1.64
Median: Arrange the numbers in order and find the middle number.
0.24, 0.53, 1.3, 1.47, 2.9, 3.4 → Middle numbers: 1.3 and 1.47 → (1.3 + 1.47) / 2 = 2.77 / 2 = 1.385
Mode: No number appears more than once, so there is no mode.

3)
Mean: (-6 + 3 - 2 + 6 + 7 - 3 - 5 + 8) / 8 = 8 / 8 = 1
Median: Arrange the numbers in order and find the middle number.
-6, -5, -3, -2, 3, 6, 7, 8 → Middle number: 3
Mode: No number appears more than once, so there is no mode.

4)
Mean: (-17 + 32 - 9 + 0 + 52 + 12 - 14) / 7 = 56 / 7 = 8
Median: Arrange the numbers in order and find the middle number.
-17, -14, -9, 0, 12, 32, 52 → Middle number: 0
Mode: No number appears more than once, so there is no mode.

5)
Mean: (75 + 72 + 46 + 77 + 70 + 80 + 68) / 7 = 488 / 7 = 70.25
Median: Arrange the numbers in order and find the middle number.
46, 68, 70, 72, 75, 77, 80 → Middle number: 73
Mode: No number appears more than once, so there is no mode.

6)
Mean: (-15 + -12 + -19 + 0 + -20 + -14) / 6 = -80 / 6 = -13.33
Median: Arrange the numbers in order and find the middle number.
-20, -19, -15, -14, -12, 0 → Middle numbers: -15 and -14 → (-15 + -14) / 2 = -29 / 2 = -14.5
Mode: No number appears more than once, so there is no mode.

7)
Mean: (5.3 + 5.1 + 5.2 + 14.7 + 5.8 + 5.9 + 5.4) / 7 = 42.4 / 7 = 6.77
Median: Arrange the numbers in order and find the middle number.
5.1, 5.2, 5.3, 5.4, 5.8, 5.9, 14.7 → Middle number: 5.4
Mode: No number appears more than once, so there is no mode.

8)
Mean: (4 - 1 - 16 + 2 + 0 - 3 + 6 - 2) / 8 = -10 / 8 = -1.25
Median: Arrange the numbers in order and find the middle number.
-16, -3, -2, -1, 0, 2, 4, 6 → Middle numbers: -1 and 0 → (-1 + 0) / 2 = -1 / 2 = -0.5
Mode: No number appears more than once, so there is no mode.

I hope this helps! Let me know if you have any further questions.