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A table was measure 16 times. The average of these measurements was 12.6 feet, with a standard deviation of 3. We can figure that there is a 95% chance that the length of the table is between... 12' and 13' 10.6' and 14' 11.6' and 13.6' 11.1' and14.1' 10.9' and 14'

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