math chapter 8

Chapter 8 Lecture Questions

1. Given a sampling distribution of means, how are the mean and standard deviation determined (calculated)? *Be sure to explain any formulas needed (+2)

2. What happens to the standard deviation as the sample size increases? (+1)

3. If an original sampling is not normal, how many must we sample to say it is approximately normal? (+1)

4. Given a sampling distribution of proportions, how are the mean and standard deviation determined (calculated)? *Be sure to explain any formulas needed (+2)

5. Where do you go in StatCrunch to determine the probability of an event occurring in the sample (What buttons do you click)? (+2)