Question

Please confirm!!!!! Will Medal!!
Which one of these that I chose is wrong??

Which of the following measures of spread are based on the mean?
Check all that apply.

Answer 1

I would say the range is not based on the mean, which is an average.

Answer 2

So are the first 2 right then?

Answer 3

standard deviations is and variance is. Not interquartile rang.

Answer 4

The standard deviation and the variance are the only ones that are based on the mean.

Answer 5

Thank you!