Statistics 252 Homework # 1 Winter 2016
STAT 252 Homework 1 (70 Marks) Due Thursday, February 4 at 10pm
Show all your work and include appropriate justification to receive full credit for a solution. Single numerical
answers (unless indicated) will not re
LAB ASSIGNMENT 1
DATA TRANSFORMATIONS, T-TOOLS AND ALTERNATIVES
As long as the data are approximately normal, the t-tools can be used to make approximate but valid and
reliable inferences from the data. However, if the assumption of normality is seriously
Statistics 252 Homework # 1 Winter 2015
STAT 252 Homework 1 (70 Marks) Due Wednesday, February 4 at 10pm
Show all your work and include appropriate justification to receive full credit for a solution. Single numerical
answers (unless indicated) will not r
Statistics 252 Homework # 1 Winter 2017
STAT 252 Homework 1 (72 Marks) Due Wednesday, February 8 at 10pm
Show all your work and include appropriate justification to receive full credit for a solution. Single numerical
answers (unless indicated) will not r
Statistics 252 Homework # 1 Summer 2015 Paul Cartledge
STAT 252 Homework 1 (60 marks) Due Monday, July 13 by 10pm
Show all your work and include appropriate justification to receive full credit for a solution. Single
numerical answers (unless indicated) w
Statistics 252 Homework # 2 Summer 2015 Paul Cartledge
STAT 252 Homework 2 (39 marks) Due Monday, July 20 by 10 pm
Show all your work and include appropriate justification to receive full credit for a solution. Single
numerical answers (unless indicated)
Statistics 252 Topic 1 (Design Concepts) Mike Kowalski
Topic 1: Design Concepts
Motivation
Is there an association between smoking and lung cancer? Does smoking cause lung cancer? Are these
questions the same?
Consider a similar example. Is there an assoc
Stat252
Stat 252 Introduction
WhatisStatistics?
What is Statistics?
Statistics is the science of collecting
isthescienceofcollecting,
organizing andinterpreting data.
StatisticalInference:
Todrawconclusionsaboutapopulation,
characterizedbyparameters,based
Statistics 252 Homework #2 Solutions Summer 2011
STAT 252 Homework 2 Solutions (30 marks) Due Monday, July 18 at 10 pm
1. (3 marks) A psychology student, interested in the migratory eating habits of human
organisms during the lunch hour upon the universit
SOLUTIONS TO THE ASSIGNMENT 2
Question 1
(a)
The descriptive statistics for the six treatment groups are displayed below:
Descriptives
STRENGTH
TYPE
1
2
3
4
5
6
Mean
95% Confidence
Interval for Mean
5% Trimmed Mean
Median
Variance
Std. Deviation
Minimum
M
ASSIGNMENT 4
MULTIPLE LINEAR REGRESSION
In this assignment you will use multiple regression tools to examine the relationship between a child IQ at age 8
and breast milk consumption in the early weeks of life, while taking into account other potential fac
ASSIGNMENT 1
USING THE T-TOOLS
In this assignment you will apply descriptive and graphical tools in SPSS to examine data about brain sizes
for two groups of mammals. You will also learn how to transform the original measurements when the
distribution assu
Statistics 252 Homework #1 Solutions Summer 2011
STAT 252 Homework 1 Solutions (65 marks) Due Monday, July 11 by 10pm
1. (4 marks) Suppose m = c
s
n
.
a) (2 marks) Solve for c (as a function of m, n and s).
m n = cs
c=
mn
s
b) (2 marks) Solve for n (as a
Statistics 252 Homework # 1 Solutions Winter 2015
STAT 252 Homework 1 (70 Marks) Due Wednesday, February 4 at 10pm
1. (4 marks) Suppose m c
s
n
.
a) (2 marks) Solve for c (as a function of m, n and s).
m n cs
c
m n
s
b) (2 marks) Solve for n (as a functi
Statistics 252 Homework # 1 Summer 2016
STAT 252 Homework 1 (61 marks) Due Monday, July 11 by 10pm
Show all your work and include appropriate justification to receive full credit for a solution. Single
numerical answers (unless indicated) will not receive
Statistics 252 Homework # 2 Fall 2014
STAT 252 Homework 2 (55 marks) Due Wednesday, October 15 by 10 pm
Show all your work and include appropriate justification to receive full credit for a solution. Single
numerical answers (unless indicated) will not re
Stat 252 Homework # 3 Fall 2014
STAT 252 Homework 3 (38 marks) Due Wednesday, November 12 at 10pm
Show all your work and include appropriate justification to receive full credit for a solution. Single
numerical answers (unless indicated) will not receive
Lab3 assignment
STATS 252 X50
Lab group: X52
Instructor: Paul Cartledge
Richen Li (1477486)
QUESTION 1
Observational study; the sample is not random, so cannot make population
inference, and cannot make causal inference.
QUESTION 2
The association is weak
ASSIGNMENT 2
ONE-WAY ANALYSIS OF VARIANCE
Analysis of variance is widely used in medical and biological sciences for testing hypotheses about
population means and estimating the differences between the means. When the variable of interest is
examined for
Statistics 252 Homework # 2 Fall 2016
STAT 252 Homework 2 (70 Marks) Due Friday, October 14 by 10pm
For questions that state SHOW ALL STEPS, write all the steps of a hypothesis test or confidence interval as
indicated below. For other questions that say d
Stat 252 Homework # 4 Winter 2014
STAT 252 Homework 4 (65 marks) Due Wednesday, April 9 at 10pm
Show all your work and include appropriate justification to receive full credit for a solution. Single
numerical answers (unless indicated) will not receive an
Statistics 252 Homework # 2 Solutions Winter 2015
STAT 252 Homework 2 (70 Marks) Due Wednesday, February 25 by 10pm
Show all your work and include appropriate justification to receive full credit for a solution. Single numerical
answers (unless indicated)
Statistics 252 Homework # 1 Fall 2014 Paul Cartledge
STAT 252 Homework 1 (60 marks) Due Wednesday, October 1 by 10pm
Show all your work and include appropriate justification to receive full credit for a solution. Single
numerical answers (unless indicated
STAT 252: LAB EXAM 3
Instructions
1.
2.
3.
4.
You are allowed to use a calculator and the Statistical Sleuth text. Attempt all
questions. Begin by downloading three data files labD1.sav, labD2.sav, and
labD3.sav from the stat252 directory on the ftp site.
SAMPLE LAB EXAM 4 SOLUTIONS
Case Study 1 (15 marks): Use 252sampleexam4a.sav to answer questions 1 15.
Discrimination against the Handicapped: Do people with physical disabilities have a more difficult time obtaining
employment? One potential factor confr
Stat 252 Homework # 1 Winter 2014
STAT 252 Homework 1 (50 Marks) Due Wednesday, February 5 at 10pm
Show all your work and include appropriate justification to receive full credit for a solution. Single numerical
answers (unless indicated) will not receive
SOLUTIONS TO ASSIGNMENT 1
Question 1
Data were collected on 96 species of mammals from zoo records and the literature. These mammals were
grouped on the basis of the observed average litter size. This is an observational study, the group status of
the mam
STAT 252: LAB EXAM 1
Instructions
1.
2.
3.
4.
You are allowed to use a calculator and the Statistical Sleuth text. Attempt all
questions. Begin by downloading three data files labA1.sav, labA2.sav, and labA3.sav
from the stat252 directory on the ftp site.
MATH 322-B1
Instructor: Beth Powell
Summer 2017, Midterm Exam (A) Solutions
Name (please print legibly):
University ID Number:
University CCID:
@ualberta.ca
Please note that this exam will be marked electronically; any writing on
the back of the pages wi
Drama 247
Assignment #3: Three point Speech
Steps to take:
Initial interest and ideas
Research then Limit topic
Develop Proposition statement/thesis
Organize
Enhance with Proofs
Practice Out Loud
Present
Objectives:
To develop effective speech preparation
MATH 322-B1
Instructor: Beth Powell
Summer 2017, Midterm Exam (B) Solutions
Name (please print legibly):
University ID Number:
University CCID:
@ualberta.ca
Please note that this exam will be marked electronically; any writing on
the back of the pages wi
247 ONE POINT SPEECH (PROVERB) Presentation
Select a saying - a bit of cultural wisdom - from this list, or from your life - one that has great
resonance or meaning for you.
NAME:
No use crying over spilt milk
Absence makes the heart grow fonder
You alway
Drama 247
Solo Adventure in Oral Communication
This project is the culmination of all your studies in Oral Interpretation and Oral
Communication. You will be assigned a presentation day.
Solo Adventure:
7-8 minutes for the project
Topics: The topic or the