In statistical formulas, what does N stand for?       

	The   number of different values possible on the variable
	The   number of cases
	The   normal curve
	The   normalized Z score

 

 Based on the scores 1,2,3,4,5,6,8,8,8,9,10, a score of 8 is the        

	mean.
	median.
	mode.
	standard   deviation.

 

 What is the median of the scores 1,2,4,4,4,6,7,8,8,9,10?       

	4
	5.7
	6
	8

 

The variance of a set of scores is the same as the       

	average   of the squared deviations.
	sum of   the squared deviations.
	average   of the absolute deviations.
	sum of   the absolute deviations.

 

If the variance of a set of scores is 9, what is the standard deviation of that set of scores?        

	18
	81
	3
	4.5