Statistics for Business
STAT130
Unit 1: Introduction and
Descriptive Statistics
Chapter 1
An Introduction to Business
Statistics
What is statistics
Statistics may be defined as the art of
science that deals with collecting,
analyzing, presenting, and inte
Statistics for Business
STAT130
Unit 7: Test of Proportions and
Chi-square Tests
Section 10.4
Comparing Two Population
Proportions
Comparing Two Population
Select a random sample of size n1 from a
population, and let p1 denote the proportion of
units in t
Statistics for Business
STAT130
Unit 6: Comparing Population
Means
Chapter 10
Statistical Inferences Based on
Two Samples
Comparing Two Means
Suppose we have two independent populations
with means 1 and 2, respectively.
We are
interested in making statist
Statistics for
Business
STAT130
Unit 8: Correlation and
Regression Analysis
Chapter 13
Simple Linear Regression
Analysis
Introduction
In addition to hypothesis testing and confidence
intervals,
inferential
statistics
involves
determining whether a relatio
Statistics for Business
STAT130
Unit 2: Probability and Random
Variables
Chapter 4
Probability
Basic Concepts
Experiment
Sample space (S)
A process of observation whose outcome is not
known in advance with certainty.
e.g. Single throw of a 6-sided die.
Se
Statistics for Business
STAT130
Unit 7: Test of Proportions and
Chi-square Tests
Section 10.4
Comparing Two Population
Proportions
Comparing Two Population
Select a random sample of size n1 from a
population, and let p1 denote the proportion of
units in t
Statistics for Business
STAT130
Unit 2: Probability and Random
Variables
Chapter 4
Probability
Basic Concepts
Experiment
Sample space (S)
A process of observation whose outcome is not
known in advance with certainty.
e.g. Single throw of a 6-sided die.
Se
Statistics for Business
STAT130
Unit 6: Comparing Population
Means
Chapter 10
Statistical Inferences Based on
Two independent Samples
Comparing Two Means
Suppose we have two independent populations
with means 1 and 2, respectively.
We are
interested in ma