Statistics : CA220. Statistics, Semester 2

Week 1: R revision and Intro to Project

Basic plots stem and leaf diagrams. Histograms and their interpretations

Weeks 2-3: Sampling Distributions.

Basic Sampling methods.

Sampling Distributions of the mean

Introduction to the idea of the Central Limit Theorem.

Weeks: 4-6: Estimation:

Confidence intervals for means, proportions and variances.

t-distribution. Central limit theorem, Sample size determination.

Weeks: 7-8: Tests of Hypothesis:

Hypothesis tests for means and proportions. Differences of means and proportions. Paired Comparisons. Type 1 and Type 2 errors. Power of test and p-value.

Weeks 9-10 Chi-Squared Tests

Cross-tabulation and contingency tables. Tests of fit.

Weeks 11-12: Association, Correlation & Regression.

Correlation coefficients. Linear Regression.