Lecture 1
Introduction to Statistics
Objective and Scope of Statistics
Study Design
Types of Studies
Data Classification
1.1
What do you know already?
Frequently, through different media such as
newspapers, magazines and TV, we are presented
with situati

Lecture 6
Confidence Intervals
Confidence interval for population mean,
Confidence interval for population proportion,
Introduction to the t-distribution
6.1
In the last lecture
We looked at the distribution of sample means and
proportions. We found th

Lecture 4
The Normal Distribution
The standard normal distribution
z-scores
probabilities
4.1
In the last lecture
We looked at summarising data.
The most basic measures summarising numerical data
are measures of centre and measures of spread.
The mean

Lecture 10
Simple Linear Regression
Part 1
Scatter plots
The Least Squares Regression Line
Assumptions of the Linear Model
Testing the Slope of the Line
10.1
In the last lecture
We looked at hypothesis tests, where the sample
proportion was from a normal

Lecture 5
Distribution of Means and
Proportions
Review of the normal curve
The behaviour of sample means
The behaviour of sample proportions
5.1
In the last lecture
We learnt that the standard normal distribution has a
mean of 0 and standard deviation of

Lecture 2
Graphing Data
Bar charts & pie charts
Histograms & stem-and-leaf plots
Box plots
Scatter plots
2.1
In the last lecture
We covered some basic principles of study design and
looked briefly at some sampling issues.
We looked at different types o

Lecture 11
Simple Linear Regression
Part 2
Making predictions
Goodness-of-fit statistic
Correlation coefficient
11.1
In the last lecture
We examined the relation between two numerical
variables by:
selecting the response variable (Y) and the
determinant

Lecture 3
Numerical Summaries
Summarising Numerical Data
Measures of centre and spread
Summarising categorical data
Population distributions
3.1
In the last lecture
We considered ways of graphing data.
Bar charts and pie charts can be used to graph
cate

Lecture 7
One Sample Hypothesis Tests
for a population mean
z-test for a population mean
t-test for a population mean
7.1
In the last lecture
We learnt that a 95% confidence interval was an
interval which we believed, with 95% confidence, will
contain th

Lecture 9
Hypothesis Test for
Population Proportions
One-sample z-test for a population proportion
Inferences about two population proportions
Revision - hypothesis testing
9.1
In the last lecture
We learnt to compare two groups by taking samples
from ea