Help Videos for MATH 1342
Elementary Statistical Methods
MATH 1342 was formerly named MATH 2311; the older name is shown at the start of each video.
Chapter 1: Exploring Univariate Data
- 1.1 Types of Data
- 1.2 Measures of Center: Mean, Median, and Mode
- 1.3 Standard Deviation and Variance
- 1.4 Range, IQR, and Finding Outliers
- 1.5 Graphs and Describing Distributions
Chapter 2: Introduction to Probability
- 2.1 Counting Techniques, Combinations, and Permutations
- 2.2 Sets and Venn Diagrams
- 2.3 Basic Probability Models
- 2.4 General Probability Rules
Chapter 3: Discrete Distributions
Chapter 4: Continuous Distributions
- 4.1 Density Curves
- 4.2 The Normal Distribution
- 4.3 Standard Normal Calculations
- 4.4 Sampling Distributions of x̄ and p̂
Chapter 5: Bivariate Data
- 5.1 Scatter Plots
- 5.2 Correlation
- 5.3 The Least Squares Regression Line
- 5.4 Residuals
- 5.5 Non-Linear Models
- 5.6 Regression in Categorical Data
Chapter 6: Samples and Experiments
Chapter 7: Estimation
- 7.1 Margins of Error and Estimates
- 7.2 Confidence Interval for a Proportion
- 7.3 Confidence Interval for the Difference of Two Proportions
- 7.4 Confidence Interval for a Mean
- 7.5 Confidence Interval for the Difference of Two Means
Chapter 8: Tests of Significance
- 8.1 Inference for the Mean of a Population
- 8.2 Video 1 of 2: Inference for a Population Proportion
Video 2 of 2: Decision Errors - 8.3 Comparing Two Means
- 8.4 Comparing Two Proportions
- 8.5 Goodness of Fit Test
- 8.6 Video 1 of 2: Inference for Two-way Tables
Video 2 of 2: Chi-Square Test for Homogeneity