1. Assistant Professor of Public Policy
Equation Quiz
© Matthew Woessner 2006
Assistant Professor of Public Policy
Penn State Harrisburg

2. Identify the Correct Equation
Find the standard deviation (σ) for the following population: 17 95 45 47 5 94

3. Identify the Correct Equation
Find the standard deviation (σ) for the following population: 17 44 81 82 45 80 62

4. Identify the Correct Equation
Perform a 2-tailed hypothesis test with 99% confidence to determine whether a sample composed of 10 units with an average value of 65.8 and an estimated variance of is different from a sample composed of 9 units with a mean of and an estimated variance of

5. Identify the Correct Equation
Perform a 1-tailed hypothesis test with 95% confidence to determine whether a sample with an average value of is different from a population with a mean of 53 and a standard deviation of assuming the sample includes 12 units.

6. Identify the Correct Equation
Find the standard deviation (σ) for the following population: 33 36 96 13 67 81 40

7. Identify the Correct Equation
Perform a 2-tailed hypothesis test with 99% confidence to determine whether a sample with an average value of is different from a population with a mean of 84 and a standard deviation of assuming the sample includes 13 units.

8. Identify the Correct Equation
Find the standard deviation (σ) for the following population: 5 27 43 31 76 14 22 61 94 69 25 84 32

9. Identify the Correct Equation
Find the standard deviation (s) for the following sample: 21 37 70 74 29

10. Identify the Correct Equation
Identify the probability that there will be 0 successes in 11 trials where the probability of success is 61%.

11. Identify the Correct Equation
Find the standard deviation (s) for the following sample: 9 29 13 2 39 24

12. Identify the Correct Equation
Find the standard deviation (s) for the following sample: 44 87 38 5 55

13. Identify the Correct Equation
Identify with 90% certainty the upper and lower confidence bans for a population where the sample size is 24, the estimated mean is and the estimated standard deviation is

14. Identify the Correct Equation
Calculate z value for a selection with a value of 42 taken from the population with a mean of and a standard deviation of

15. Identify the Correct Equation
Identify with 95% certainty the upper and lower confidence bans for a population where the sample size is 10, the estimated mean is 0.5 and the estimated standard deviation is

16. Identify the Correct Equation
Perform a 2-tailed hypothesis test with 99% confidence to determine whether a sample with an average value of is different from a population with a mean of 89 and a standard deviation of assuming the sample includes 8 units.

17. Identify the Correct Equation
Identify the probability that there will be 5 successes in 9 trials where the probability of success is 54%.

18. Identify the Correct Equation
Identify with 99% certainty the upper and lower confidence bans for a population where the sample size is 62, the estimated mean is and the estimated standard deviation is

19. Identify the Correct Equation
Perform a 2-tailed hypothesis test with 90% confidence to determine whether a sample composed of 13 units with an average value of 50 and an estimated variance of is different from a sample composed of 5 units with a mean of 54.8 and an estimated variance of 124.7

20. Identify the Correct Equation
Perform a 2-tailed hypothesis test with 99% confidence to determine whether a sample composed of 8 units with an average value of 51 and an estimated variance of is different from a sample composed of 11 units with a mean of and an estimated variance of

21. Identify the Correct Equation
Identify the probability that there will be
1 successes in 6 trials where the probability of success is 65%.

22. Identify the Correct Equation
Calculate z value for a selection with a value of 59 taken from the population with a mean of and a standard deviation of

23. Identify the Correct Equation
Perform a 2-tailed hypothesis test with 99% confidence to determine whether a sample with an average value of is different from a population with a mean of 47 assuming the sample includes 12 units with an estimated standard deviation of

24. Identify the Correct Equation
Calculate z value for a selection with a value of 92 taken from the population with a mean of 42 and a standard deviation of

25. Identify the Correct Equation
Identify with 90% certainty the upper and lower confidence bans for a population where the sample size is 45, the estimated mean is and the estimated standard deviation is

26. Identify the Correct Equation
Perform a 1-tailed hypothesis test with 90% confidence to determine whether a sample with an average value of is different from a population with a mean of 26 assuming the sample includes 7 units with an
estimated standard deviation of 0.756

27. Identify the Correct Equation
Perform a 1-tailed hypothesis test with 95% confidence to determine whether a sample with an average value of is different from a population with a mean of 53 assuming the sample includes 12 units with a standard deviation of 8.252

28. Identify the Correct Equation
Perform a 2-tailed hypothesis test with 95% confidence to determine whether a sample with an average value of is different from a population with a mean of 29 assuming the sample includes 8 units with an estimated standard deviation of

29. Identify the Correct Equation
Identify the probability that there will be
4 successes in 7 trials where the probability of success is 53%.

30. Identify the Correct Equation
Calculate z value for a selection with a value of 96 taken from the population with a mean of 63 and a standard deviation of

31. Identify the Correct Equation
Perform a 1-tailed hypothesis test with 95% confidence to determine whether a sample with an average value of is different from a population with a mean of 20 and a standard deviation of assuming the sample includes 13 units.

32. Identify the Correct Equation
Find the standard deviation (s) for the following sample: 42 50 36 92 84 41 85

33. Identify the Correct Equation
Perform a 1-tailed hypothesis test with 95% confidence to determine whether a sample composed of 14 units with an average value of 54.5 and an estimated variance of is different from a sample composed of 14 units with a mean of and an estimated variance of