Question: Direct but short answers to the following problems:

1. There is a story told about a statistician who was six feet tall and drown while wading across a river that has a mean depth of 4 feet. He did not fall. Is this possible? Why or why not?
2. I gave a 200 point examination that had a mean of 120, a median of 120 and a mode of 120.
   1. What was the range of scores on the examination?
   2. What type of distribution was obtained?
3. Why is an informed consent necessary in human subject research?
4. It is said that ethics stand in the way of many important research endeavors which would greatly aid society. How then should society balance ethics against helping society solve its critical problems? Be specific and concise.
5. Based on interviews what do each of the following terms mean:
   1. . Manifest content
   2. Latent content
6. A teacher gave his 4 ^th grade class two spelling tests. The mean on the first test was 50 and its standard deviation was 3. The mean on the second test was 41 with a standard deviation of 6. What does this indicate in general about the distribution of the scores on the second test relative to the first test?
7. What methodology should be used to identify behavior?
8. What is the difference between a symmetrical and an asymmetrical distribution?
9. What are the two biggest COMMERCIAL uses of inferential statistics?
10. What do you know about a data set that has a standard deviation of:
    1. 0 (zero)

ii. –4.14

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