Area of Study 4 ยท Methods
Data Analysis, Probability and Statistics
Discrete and continuous random variables, probability distributions, the binomial and normal distributions, and statistical inference.
6 free Methods lessons below, each with a plain English explanation, worked examples and an auto marked practice test including real VCAA exam questions with full solutions.
- Discrete Random Variables
Understand discrete random variables the easy way, with plain English intuition, probability distributions, expected value, variance and standard deviation, worked examples and an auto marked practice test. VCE Maths Methods Units 3 and 4.
- The Binomial Distribution
Understand the binomial distribution the easy way, with plain English intuition, Bernoulli trials, the binomial formula, mean np and variance np(1 minus p), worked examples and an auto marked practice test. VCE Maths Methods Units 3 and 4.
- Continuous Random Variables and Probability Density Functions
Understand continuous random variables and probability density functions the easy way, with plain English intuition, probability as area, finding unknown constants, mean, variance, median and percentiles, worked examples and an auto marked practice test. VCE Maths Methods Units 3 and 4.
- The Normal Distribution
Understand the normal distribution the easy way, with plain English intuition, the 68 95 99.7 rule, z scores, worked examples and an auto marked practice test. VCE Maths Methods Units 3 and 4.
- Sampling Distributions of Proportions
Understand the sampling distribution of the sample proportion the easy way, with plain English intuition, its mean and standard deviation, worked examples and an auto marked practice test. VCE Maths Methods Units 3 and 4.
- Confidence Intervals for a Proportion
Understand confidence intervals for a population proportion the easy way, with plain English intuition, the margin of error, worked examples and an auto marked practice test. VCE Maths Methods Units 3 and 4.