MGMT 1400 Statistical Methods Class 12
Hypothesis Testing Continued Ch. 10, 11
In the previous class
What is hypothesis testing
How to identify the null and alternative hypotheses
The sampling distrib
MGMT 1400 Statistical Methods Class 14
One Population Test - Notes
Inference about a Population Proportion
Example
Angry Birds is one of the most popular games on various platforms. According to
on
NAME (PRINT):
1. After getting results for a cross-sectional study, you are analyzing the effects of the
independent variable on the dependent variable for only a part of the sample. You are looking
a
1. It has been reported that men are more likely than woman to participate in online
auctions. In a recent survey, 65% of respondents reported they had participated in an
online auction. In this same
1. A regression analysis between sales (in $1000) and advertising (in $) resulted in the following least
squares line: = 80,000 + 4x. This implies that:
A) an increase of $1 in advertising is expected
MGMT1400StatisticalMethodsClass2
Data Presentation Notes
Introductory concepts
Sampling
Question 1.4: a manufacturer of computer chips claims that less than 10% of its
products are defective. When 1,0
MGMT1400StatisticalMethodsClass9
Random Variables Chapter 7 Notes
Introduction
X is a random variable defined as a count of twitter followers you have
P(x) is the probability of each specific X valu
MGMT 1400 Statistical Methods Class 13
One Population Test - Notes
Test for m, s unknown
T-Distribution
Students t-Distribution
The t-distribution is similar to the normal distribution (general shape)
MGMT1400StatisticalMethodsClass1
Course Overview Syllabus Notes
Statistical Methods
Course Overview
Upon completing this course you would:
Work with Excel to handle large datasets
Obtain and interp
MGMT1400StatisticalMethodsClass67
Probability & Bayes Theorem Notes
Probability theory
the branch of mathematics that focuses on the likelihood of random events to
occur.
people often estimate the cha
MGMT1400StatisticalMethodsClass4
Describing Data- Centrality & Variation Notes
Measure of centrality: mean, median, and mode
Measures of variation: variance and standard deviation
Introduction
Fundame
MGMT 1400 Statistical Methods Class 16
Hypothesis testing for TWO Populations Notes
Hypothesis testing for two population parameters
More hypothesis tests but involving two populations
Comparing mea
MGMT 1400 Statistical Methods Class 17
Regression Notes
Regression
Economists look at consumption as a function of a persons income
How can we estimate this empirically?
Regression analysis enable
300000000000
250000000000
O il R e s e r ve s ( g )
Brazil
12620000000
Canada
1.7810E+011
China
16000000000
Iran
1.3620E+011
Iraq
1.1500E+011
Kazakhstan30000000000
Kuwait
1.0400E+011
Libya
43660000000
Country vs. Oil Reserves
300000000000
250000000000
O il R e s e r ve s ( g )
Brazil
12620000000
Canada
1.7810E+011
China
16000000000
Iran
1.3620E+011
Iraq
1.1500E+011
Kazakhstan30000000000
Kuwait
1.04