4.1

Question 1

the variability

Answer 1

provides a quantitative measure of the differences between scores in a
distribution and describes the degree to which the scores are spread out or clustered
together

Question 2

the range

Answer 2

, which is the distance covered by the scores in distribution, from the smallest score to the largest score
range= Xmax - Xmin
range= URL for Xmax -LRL for Xmin
URL upper real limit
LRL lower real limit