standard deviation

Question 1

steps

Answer 1

1. calculate the mean of data set
2. Take the mean away from each score in the data set
3. Square each difference.
4. Add together each of the squared differences
5. Divide this by N - 1
6. Find the square root of this value

Question 2

pros and cons

Answer 2

✅precise measure of dispersion
❌cant be used on ordinal