Review for Exam 1

Describing Univariate Data

Type of data: categorical vs. numerical, continuous vs. discrete.

Bivariate Data

Numerical Summaries:
Pearson's correlation coefficient: what does it measure? when is it applicable? what values can it take on?
Spearman's rank correlation coefficient: what is it? why use it?
Least Squares line: what is it? what's the relationship with correlation coefficient? what does the intercept and slope mean?
Coefficient of determination: What is it? what does it mean? what values can it take on?
Graphical Summaries: scatterplot.

Basic Probability

Normal Distribution, Sampling Distribution of a Statistic