Select a variable (mean, proportion, variance or standard deviation) of interest to you and collect data consisting of at least 30 values.
Define the variable.
Define the population.
Describe how the sample was selected.
Use Microsoft Excel (and MegaStat if at all possible) to determine the confidence interval
statistics - PsyDAG, Wednesday, April 6, 2011 at 3:27am
What variable have you selected?