I need help with a Statistics question. All explanations and answers will be used to help me learn.

Considering the following data

[0,1,2,3,4,5,6,20,21,22,23,24,25]

The distribution is considered to be: *

- Skewed to the right
- Skewed to the left
- Not skewed

Which of the following describe the middle part of a group of numbers? *

1- measure of variabilty

2-measure of central tendency

3- measure of association

4- measure of shape

The sum of the deviations about the mean is always?

1- range

2-standard deviation

3- negative

4- zero