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If a sample contains the numbers : 6.2; 8.5; 3.1; 7.6; 5.0; X and the average of the six numbers is 5.5, then what is the last number (X) in the sample? 3.6 8.7 1.0 3.2 2.6

You may use the calculator above and this area as scratch paper. To see the solution just click on the button.

Carlos Rodriguez <carlos@math.albany.edu>

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