STAT 2509 B
Assignment #2
DUE:
February 4th, 2014 (to be handed in during the class)
1. Recently, research efforts have focused on the problem of predicting a manufacturers
market share by using information on the quality of its product. Suppose that the
STAT 2509 A
Assignment #4
DUE:
August 10th, 2015 (to be handed in to TA during the lab)
1.
Suppose we are interested in predicting of surgery survival rate as a function of x1 = blood
clotting score, x2 = prognostic index, x3 = enzyme function test score,
STAT 2509 A
Assignment#1
(Review of STAT 2507)
DUE:
1.
May 25th, 2015 (to be handed in to TA during the lab)
a) Applied statistics can be divided into descriptive statistics and inferential
statistics. Define the 2 statistics mentioned above.
b) The proce
STA T 2509A
Test#1
SOLUTION
1. The study was conducted to evaluate how the limited tread warranty influences the price of
tire. The following table gives information on the limited tread warranties (in thousand of
miles) and the price of 12 randomly sele
STAT 2509 A
I? .
7 4
:r L/
AssignmentitZ
SOLUTION
t. The following table gives the total 2008 payroll (on the opening day of the season,
rounded to the nearest million dollars) and the number of runs scored during the 2008
season by each of the Nati
STAT 2509 A
Assignment #2
DUE:
October 1st, 2014 (to be handed in during the class)
1. American Express Company has long believed that its cardholders tend to travel more
extensively than others - both on business and for pleasure. As part of a comprehens
STAT 2509 A
Assignmentlz
SOLUTION
1. The following table gives the total 2008 payroll (on the opening day of the season,
rounded to the nearest million dollars) and the number of runs scored during the 2008
season by each of the National League baseball
STAT 2509 A
Assignment #4
SOLUTION
1. Agency revenues. An economic consultant was retained by a large employment agency
in a metropolitan area to develop a regression model for predicting monthly agency
revenues (y ). She decided that three economic indic
STAT 2509 A
Assignment #3
DUE:
July 13th, 2015 (to be handed in to TA during the lab)
In order to study the relationship of advertising and capital investment with corporate
profits, the following data, recorded in units of $100,000, were collected for te
f
f
STAT 2509 A / 3.2 (3
Assignment #3
SOLUTION
1. in order to study the relationship of advertising and capital investment with corporate
profits, the foilowing data, recorded in units of $100,000, were collected for ten medium
sized firms in the same
STAT 2509A
Test#1
SOLUTION
1. An experiment was conducted to examine the weight gain for chickens treated with
various doses of a growth promotant. From a group of 15 chickens of approximately the
same age and weight, a random assignment of three chicke
STAT 2509 B
Assignment #1
(Review of STAT 2507)
DUE: January 20th, 2015
(to be handed in during the class)
1. Choose a right answer.
a) The set of all objects or measurements of interest to the sample collector is
(i) a statistic
(ii) a population
(iii) a
STAT 2509 B
Assignment #4
SOLUTION
1. Suppose we are interested in predicting of surgery survival rate as a function ofx1= blood clotting
score, X2 = prognostic index, x3 = enzyme function test score, x4 = liver function test score and y=
log(surgery surv
STAT 2509 A
Assignment #1
(Review of STAT 2507)
DUE:
September 17th, 2014 (to be handed in during the class)
1.
a) What are the important differences between a parameter and a
statistic?
b) Explain the difference between a population and a sample.
2.
Whic
STAT 2509A
Test#1
(October 8th, 2014)
All solutions must be shown clearly.
1. An experiment was conducted to examine the weight gain for chickens treated with
various doses of a growth promotant. From a group of 15 chickens of approximately the
same age a
STAT 2509 B (Assignment #4)
DUE: March 31th, 2015
(to be handed in during the class)
Name:
ID No:
Lab #:
_
(Important)
1. Agency revenues. An economic consultant was retained by a large employment agency
in a metropolitan area to develop a regression mode
STAT 2509 C
Assignment #1
(Review of STAT 2507)
DUE:
1.
January 20th, 2015 (to be handed in during the class)
Choose a right answer:
a) The set of all objects or measurements of interest to the sample collector is
(i) a statistic
(ii) a population
(iii) a
STAT 2509 A
Assignment #2
SOLUTION
1. Two freshmen algebra classes at McNair Academic High School in Jersey City, New Jersey
were studied. One of which used laptop computers at school and at home. while the other
class did not. In each class, students wer
/
_ STAT 2509 A "
Assignment #2
SOLUTION
1. The following table gives the waist size (tn inches) and the body fat (in %). Do the
data indicate an association between waist size and body fat?
Waist Size (x1 Body Fat m
32 6
36 21
38 15
33 6
39 22
40 31
41 3
STAT 2509A
Test#2
(July 20th, 2015)
All solutions must be shown clearly.
1.
Suppose we are interested in predicting of surgery survival rate as a function of x1 = blood
clotting score, x2 = prognostic index, x3 = enzyme function test score, x4 = liver fun
1.
/*
1/ I -(
STAT 2509 A f, '
AW
SOLUTION
a) Applied statistics can be divided into descriptive statistics and inferential
statistics. Define the 2 statistics mentioned above.
Descriptive Statistics: methods for organizing, displaying and describing a g
STAT 2509B
Test#1
(February 10th, 2016)
All solutions must be shown clearly.
1.
A diabetic is interested in determining how the amount of aerobic exercise
impacts his/her blood sugar. The data are given in the following table:
Distance (miles)
Blood Sugar
SAS Output
Page 1 of 14
Assignment 2 STAT 2509
The REG Procedure
Model: MODEL1
Dependent Variable: y
Number of Observations Read 20
Number of Observations Used 20
Analysis of Variance
Source
DF
Model
Sum of
Squares
Mean
Square F Value
1 1366.79026 1366.79
Week 3 Part 3
The Chi-Square
Test of Independence
2017 Wayne Horn
Chi-Square Test of Independence
It is often of interest to know if two categorical variables are
statistically dependent.
In other words, we wish to know if the probability that an obser
SOCI1005B Winter 2017 Introduction to Sociology for B. Comm. Students, Carleton University
Prepared by Christian Pasiak, Dept. of Sociology and Anthropology
Assignment Two: Annotated Bibliography
(Weight 20%) approx. 5-8 pages, double-spaced
DUE ONLINE (v
Examgle on MLR
A chemist is interested in determining the weight loss, y (in pounds), of a particular
compound as a function of the time the compound is exposed to the air, x1 (in hours),
and the humidity of the environment during exposure, 3c2 . The data
Agnes Benhin
Introduction to Statistical Modelling II
Stat 2509 B
Thursday, March 2, 2017
Assignment 3(MLR)
Winter 2017
Last Name:
, First Name:
Student ID:
, Lab Section:
B
TA Name:
, Total Mark:
90
Due: Thursday, March 2, 2017 to be handed in during the
STAT 2509 B
Assignment #4
DUE:
March 30th, 2017 (to be handed in during the class)
1.
Suppose we are interested in predicting of surgery survival rate as a function of x1 = blood
clotting score, x2 = prognostic index, x3 = enzyme function test score, x4 =