LITTLE NOTABLES EXCLUSIVE JADE WANG
Chapter 1
Bootstrapping with replacement is treating the sample as if it was the population. A
bootstrap confidence interval for a parameter can be thought of a range of believable values
for the true parameter value.
I
VERSION 1
STATS 101/101G/108
VERSION 1
STATS 101/101G/108
THE UNIVERSITY OF AUCKLAND
FIRST SEMESTER, 2016
Campus: City
STATISTICS
Introduction to Statistics
Statistics for Commerce
BLANK PAGE
(Time allowed: THREE Hours)
ANSWERS ON PAGE 39
Note:
This exam
Exam Questions Index
The following is a breakdown of the questions based on chapters in the lecture workbook.
Chapter 1
Summer Semester 2015:
Questions 10, 17, 18, 19, 41, 50
Chapter 7
Summer Semester 2015:
Questions 12, 13, 15, 34
First Semester, 2015:
Q
Assignment 3
Question 1:
a) The purpose of having coffee is to ensure that the comparisons are fair in the sense that two groups
are similar as possible in every way except for whether or not they produce more Interferon Gamma
molecules.
b)
1. T C = the d
Statistics 320
Assignment 1
Due: 2pm, March 28.
1. You are invited on TV to play the Monty Hall game! However, an
earthquake strikes immediately after you selected a door and before
the host had a chance to reveal a goat behind another one. A door flies
o
STATS 330
Assignment 1 Model Answers
(a) Load the data into R, and create a data frame countries.df to contain the data. Create
a plot showing for each continent in the data the number of countries on that continent.
Can you report anything unusual? To wi
STATS 330
Assignment 3
Model answers
The below website from the US National Institute of Health proposes that blood cholesterol
levels are an indicator for heart disease. The website also names multiple potential factors
for high/low blood cholesterol lev
STATS 330
Assignment 1 Model Answers
(a) Load the data into R, and create a data frame water.df to contain the data. Create
a screen shot of the data frame after using the View command to indicate successful
upload.
Use the command summary(water.df) to ge
STATS 330
Assignment 2 Model Answers
For readability I will put the R-code at the end of each question.
1. Read the data into a data frame. Check for typographical errors. Correct as necessary. (4)
We load the data using the command read.csv. The first 23
STATS 330
Due: 5pm, Thu 8th August, 2013
Assignment 1
The Central Intelligence Agency (CIA) regularly publishes a compendium of information on
the countries of the world, aptly named The Factbook 1 . The datafile countries.csv available on the website and
STATS 330
Due: 4pm, Thu 22th August, 2013
Assignment 2
Hand in your completed assignment to the Student Resource Centre by the above date.
The data set for this assignment is in the file housing200.csv which is available on the
course web page and from ce
STATS 330
Due: 4pm, Thu 19th September, 2013
Assignment 3
Hand in your completed assignment to the Student Resource Centre by the above date.
Read the assignment sheet carefully before starting!
The below website from the US National Institute of Health p
1
Question One:
(a) This study is an experiment because the researcher has controlled the conditions that
individuals experience and whom gets to receive which treatment such as the new drug,
the placebo drug or no treatment at all.
(b)
ii When
chance is
ASSIGNMENT THREE
Question 1:
(a)
1. Parameter: the difference between the mean burnout score for females and the
mean burnout score for males - 1-2
2. Null hypothesis: 1-2 =0
3. Alternative hypothesis: 1-2 = 0
4. Estimate: the difference between the sampl
1
Question One:
(a) This study is an experiment because the researcher has controlled the conditions that
individuals experience and whom gets to receive which treatment such as the new drug,
the placebo drug or no treatment at all.
(b)
ii When
chance is
STATS 10x Revision
CONTENT COVERED: CHAPTERS 7 - 9
LITTLE NOTABLES EXCLUSIVE - VICKY TANG
Chapter 7: Data on
Continuous Variables
ONE SAMPLE
TWO+ INDEPENDENT SAMPLES
PA I R E D D ATA
PA R A M E T R I C V S N O N - PA R A M E T R I C
LITTLE NOTABLES EXCLUS
THE UNIVERSITY OF AUCKLAND
STATS 101
STATS 101G
STATS 108
STATS 101
STATS 101G
STATS 108
VERSION 1
SECOND SEMESTER, 2015
Campus: CITY
VERSIO
N 1
STATISTICS
Introduction to Statistics
Statistics for Commerce
(Time allowed: THREE hours)
ANSWERS ON PAGE 41
N
VERSION 1
STATS 101/101G/108
VERSION 1
STATS 101/101G/108
THE UNIVERSITY OF AUCKLAND
SUMMER SEMESTER, 2016
Campus: City
STATISTICS
Introduction to Statistics
Statistics for Commerce
BLANK PAGE
(Time allowed: THREE Hours)
ANSWERS ON PAGE 44
Note:
This exa
THE UNIVERSITY OF AUCKLAND
STATS 101
STATS 101G
STATS 108
FIRST SEMESTER, 2014
Campus: CITY
VERSION 1
STATISTICS
Introduction to Statistics
Statistics for Commerce
(Time allowed: THREE hours)
NOTE:
* This examination consists of 50 multiple-choice questio
THE UNIVERSITY OF AUCKLAND
STATS 101
STATS 101G
STATS 108
VERSION 1
2
STATS 101
STATS 101G
STATS 108
SECOND SEMESTER, 2014
Campus: CITY
VERSION 1
STATISTICS
Introduction to Statistics
Statistics for Commerce
(Time allowed: THREE hours)
ANSWERS ON PAGE 36
Shenyue Li
427784809
Q1
(a)
This was an experiment as the researchers got to randomly allocate workers into two
groups
(b)
(i) The mean assembly times between the two desk designs is 25.35 seconds.
(ii) The tail proportion is 3% which is less than 5%, mea
THE UNIVERSITY OF AUCKLAND
STATS 101
STATS 101G
STATS 108
VERSION 1
2
STATS 101
STATS 101G
STATS 108
First SEMESTER, 2015
Campus: CITY
VERSION 1
STATISTICS
Introduction to Statistics
Statistics for Commerce
(Time allowed: THREE hours)
ANSWERS ON PAGE 39
N
Shenyue Li
427784809
Question 1
a) It means that each participate have the equal chance to get the map of hurricane
named Alexandra or Alexander. Thus it can reduce the bias brought by distribution
and the comparisons between two groups can be fair except
VERSION 1
2
Questions 1 and 2 refer to the following information.
Department of Statistics
First Year Statistics
Mid-Semester Test: Summer Semester, 2015
The Home Aordability Report (Hargreaves and Chin, 2014) summarises housing
aordability in New Zealand
THE UNIVERSITY OF AUCKLAND
STATS 101
STATS 101G
STATS 108
VERSION 1
2
STATS 101
STATS 101G
STATS 108
SUMMER SEMESTER, 2015
Campus: CITY
VERSION 1
STATISTICS
Introduction to Statistics
Statistics for Commerce
BLANK PAGE
(Time allowed: THREE hours)
ANSWERS
THE UNIVERSITY OF AUCKLAND
STATS 101
STATS 101G
STATS 108
VERSION 1
STATS 101
STATS 101G
STATS 108
SECOND SEMESTER, 2015
Campus: CITY
VERSION 1
STATISTICS
Introduction to Statistics
Statistics for Commerce
BLANK PAGE
(Time allowed: THREE hours)
ANSWERS ON