The table below shows the scores on a science test. John
75
Brett
80
Elizabeth
90
Cindy
100
Jake
75
Kenji
85
Rick
80
Joy
80
Raul
90
Suni
85

The number of standard deviations between a score and the mean score is indicated by a z-score. What was Cindy’s z-score on the science test?
a.
–2.2
c.
16
b.
100
d.
2.2