A scientist expected to have measurements adding up to 2,000 pounds.
However, his measurements added up to 2,500 pounds. The scientist had
900 measurements with an SD of 2 pounds. What is the “z” value or
test statistic of this problem?
Carlos Rodriguez <email@example.com>
This problem was contributed by a student in Elementary Statistics. It is offered as it is with no warranty of any kind
Last modified: Wed May 13 12:29:11 EDT 1998