Based on the following qqplots,
how well do you think a Gaussian
model fit the data?
If you think a Gaussian model does
not fit the data indicate another
model that you think might fit better.
Suppose
STAT230
PROBABILITY
Chapter 8 (b)
03/07/2016
Chapter 8 - Continuous Probability Distributions
2
The Uniform Distribution from a to b or
( Rectangular Distribution )
A continuous random variable , X,
STAT 230
PROBABILITY
(Chapter 1 and 2)
04/05/2016
Chapter 1 and 2
2
Introduction to Probability
Chapter one objectives
Definitions of Probability
- Understand the classical definition of probability.
Read Chapter 3 and do end of chapter
problems. There will be a similar
question on Tutorial Test 2.
Start reading Chapter 4: Estimation
Assignment 2 posted on Learn is due
Friday February 10 at noon.
Read Chapter 2
Start working on the end-of-chapter
problems.
1) Definition of a (Point) Estimate of an
Unknown Parameter
2) Method of Maximum Likelihood
i) Definition of the Likelihood Function
ii) De
STAT 231 TUTORIAL QUIZ #1
VERSION A SOLUTIONS
FIRST NAME (Please Print): _
LAST NAME (Please Print):_
Signature:_
Question Marks
1
4
2
6
3
8
4
5
5
7
Total
30
Aids: Only question pages will be marked.
STAT 231 TEST 1 MARK SCHEME
Please mark in RED INK and give a brief indication to the student of why you have taken o
marks when you do. The solutions are in BOLD, everything else was on the question
WW bur
mm.
ID Number:
NAME (Please Print):
Signature:
Marker Initials (iii) A point estimate of 9 based on the observed data is _ .
(iv) An approximate 95% condence interval for 0 based on the observ
1: [7
1 = 7 marks] Circle the letter corresponding to the correct answer.
(a) Consider an experiment in which data y1 ; y2 ; :; yn are collected and the sample mean y =
1
n
n
P
yi
i=1
is used to estim
1: [7
1 = 7 marks] Circle the letter corresponding to the correct answer.
(a) Consider an experiment in which data y1 ; y2 ; :; yn are collected and the sample mean y =
1
n
n
P
yi
i=1
is used to estim
Chi-Squared Distribution
Fall 2016
()
Chi-Squared Distribution
Fall 2016
1 / 19
A New Distribution
A distribution that is used frequently in methods of
estimation and hypothesis testing is a distribut
The following data set y1,y2,y39 consists of
the annual income for 39 people selected at
random from people living in Conestogo. The
data are in thousands dollars.
23
42
56
69
26
44
56
73
28
44
56
76
STAT 221/231 - Statistics
Fall 2016
Course Syllabus
The Course Information Page:
learn.uwaterloo.ca You are expected to regularly read your UWaterloo email and visit the course website on Learn for
an
STAT 231 Tutorial Test 2
Wednesday November 2 in your scheduled tutorial time.
You may ONLY write in your assigned tutorial time.
Seating is predetermined so please check your seat assignment at
https
STAT 221/231 Midterm Test 1
Thursday October 13, 4:40-6:10 pm
Seating for Midterm Test 1 is predetermined so please check your seat assignment at
https:/odyssey.uwaterloo.ca/teaching/schedule after 1p
Midterm 1 Review
Covers the material in Chapter 1 and the material in Section 2.1 which is a review of STAT 230 material.
* Chapter 1 Problems: 1-20.
Empirical Studies (Sections 1.1-1.2)
Summary
- uni