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.