Of the sample data: 6, 4, 2, 3; What is the sample mean?What is the sample median?

Of the sample data: 6, 4, 2, 3; that is the variance?What is the standard deviation?

If variance is 9, standard deviation is ............If standard deviation is 20, variance is ..............

Second quartile is equal to ..............percentile. Third quartile equals to ...............percentile.

Five number summary includes which numbers of a data set?

Suppose annual salaries for sales associates from Hayley's Heirlooms have a bell-shaped distribution with a mean of $32,500 and a standard deviation of $2,500. The z-score for a sales associate from this store who earns $37,500 is _____.