Exam 3 Results
Exam 3 | |
Mean | 83.5 |
Standard Error | 1.3 |
Median | 84.4 |
Mode | 93.8 |
Standard Deviation | 10.2 |
Sample Variance | 104.6 |
Kurtosis | 0.5 |
Skewness | -0.7 |
Range | 45.0 |
Minimum | 55.0 |
Maximum | 100.0 |
Sum | 5430.7 |
Count | 66.0 |
Author: Justin
Exam 3 | |
Mean | 83.5 |
Standard Error | 1.3 |
Median | 84.4 |
Mode | 93.8 |
Standard Deviation | 10.2 |
Sample Variance | 104.6 |
Kurtosis | 0.5 |
Skewness | -0.7 |
Range | 45.0 |
Minimum | 55.0 |
Maximum | 100.0 |
Sum | 5430.7 |
Count | 66.0 |
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Exam on Wed, Nov 14
Exam 3 Topics:
Assignment:
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Activity:
Determine whether it’s a 1-sided or 2-sided hypothesis test and solve. Report p-values and determine if you can reject or must fail to reject the null hypothesis.
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μ = 505, σ = 62
x̅ = 509, n = 1,000
Ho: μ = 505
Ha: μ > 505
Assignment:
* Most example and activity problems presented above are derived from Moore, D.S., McCabe, G.P., and Craig, B.A., 2009. Introduction to the Practice of Statistics, 6th Edition. New York: W.H. Freeman and Company.
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Voter Polling Assignment:
Follow this link and find your name (listed alphabetically): Voter Polling
Rules:
Here’s a simple script you can use: