the probability density function , sociology homework help

Social Science Inquiry class

Assignments (2 – 5 pages per response is typical) – Define terms in “your own words, give practical, common-sense example of each, and use visual support

1. Describe and give clear, practical examples (charts, graphs, lists, etc.) the following concepts related to Statistical Inferences: random sampling; probability distribution; continuous probability distribution; expected value; normal distribution; type I errors; type II errors; t varaible/t score; null hypothesis; research hypothesis; alternative hypothesis; t test; chi square distribution

2. Describe the normal percentages of distribution in a normal curve (areas under the normal curve for various Z scores). What does that mean in regards to the normal distribution of one standard deviation from the mean, 2 standard devaiations, 3 standard deviations? Give a concrete example using social deviance as a topic.

 
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