# Sample Size Problems Involving Proportions and Means

- Author:
- David Gurney

- Topic:
- Means

Move the slider to select a new problem.
Check the box to see the answer.

There will be a problem like this on the final exam.
Note that the results from these formulas are
rounded up to the next greater integer if there is
any non-zero digit to the right of the decimal point.
This applet is based on examples #13, #14 p.359,
problems #51, #52 page 364, problems #27, #28,
#29, #30 pages 388-89 of Navidi & Monk,
"Elementary Statistics", 2nd edition, McGraw-Hill
Education 2016.
Updated September 16, 2015.