Design of the survey.
Accuracy and precision of a measurement.
Sample and population. Sampling. Table of random numbers.
Data and scales of measurement.
Organizing data: tables and graphs.
Descriptive measures. Asymmetry of a distribution.
Licear correlation and Linear regression model.
Probability. Conditional probability. Independence of two variables.
Random variable: discrete and continuous.
Probability distributions: binomial, Poisson, normal, normal standard.
Sampling distribution.
Statistical inference. Confidence Intervals and Hypothesis Tests.
Significance tests: Student's t test and chi-square test.