Question: 9. 10) When we are performing a hypothesis test in which we compare proportion(s), should we use the z-distribution or the t-distribution? How about for

9. 10) When we are performing a hypothesis test in which we compare proportion(s), should we use the z-distribution or the t-distribution? How about for a hypothesis test comparing mean(s)? Assume that we don't miraculously know the population standard deviation. 10. proportion 10. mean

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2. What types of information are we collecting?

5. How quickly can we manage to collect the information?

3. Tactical/strategic information.