MATHEMATICS · Single correct · A Level · Mathematics · Data presentation and interpretation · Data presentation and interpretation
Problem
Two data sets, A and B, have the same mean. The standard deviation of A is 3 while that of B is 7. Which of the following statements is correct?
(a) Data set B is more consistent than data set A.
(b) Data set A is more consistent than data set B.
(c) Both data sets are equally consistent.
(d) Consistency cannot be compared using standard deviation.