MEMORIAL UNIVERSITY OF NEWFOUNDLAND
Department of Mathematics and Statistics
Assignment #1 Solution
STAT 2501
F13
1. Two surgical procedures are widely used to treat a certain type of cancer. To compare the
success rates of the two procedures, random samp
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
Department of Mathematics and Statistics
Practice
STAT 2501
1. The table below gives the prices for three products (A, B, and C) for the four quarters
of last year.
Quarter
1
2
3
4
A
3.25
3.50
3.90
4.25
B
1.75
1.25
1.20
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
Department of Mathematics and Statistics
Quiz #1
STAT 2501
Name:
Fall 2012
Student No.:
Questions
1. Which of the following is a necessary assumption to conduct a one-way ANOVA comparing
k population means? (5 points)
(
STATISTICS 2501
FURTHER STATISTICS FOR BUSINESS AND ARTS STUDENTS
ST 2501: Further Statistics for Business and Arts Students
Statistics 2501 is a continuation of Statistics 2500. In it, more advanced statistical techniques will be
introduced to students.
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
Department of Mathematics and Statistics
Mid-term Exam Solution
STAT 2501
Name:
Fall 2013
Student No.:
1. Dean randomly selects 200 students and nds that 118 of them are receiving nancial
aid. If the dean wanted to esti
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
Department of Mathematics and Statistics
Assignment #3
STAT 2501
F13
Due on Friday, Oct. 25
1. Consider a model for heat rate (kilojoules per kilowatt per hour) y of a gas turbine as a function of cycle speed (revolutio
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
Department of Mathematics and Statistics
Assignment #2
STAT 2501
F13
Due on Friday, Oct. 11
1. Sales and marketing Management determined the eective buying income (EBI) of
the average household in a state. Can the EBI b
Memorial University of Newfoundland
DEPARTMENT OF MATHEMATICS AND STATISTICS
STAT 2501-001 - Statistics for Business and Economics Fall 2012
Instructor : Haiyan Yang
E-mail : h.yang@mun.ca
Website : http:/www.math.mun.ca/~haiyan/
Office : HH-3046
Office P
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
Department of Mathematics and Statistics
Quiz #2 Solution
STAT 2501
Name:
Fall 2013
Student No.:
Questions
1. Which of the following is not a condition required for a valid ANOVA F-test for a completely randomized exper
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
Department of Mathematics and Statistics
Quiz #2 Solution
STAT 2501
Name:
Fall 2012
Student No.:
Questions
1. In a simple linear regression model the slope coecient measures (5 points)
(a) the elasticity of Y with respe
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
Department of Mathematics and Statistics
Assignment #3 Solution
STAT 2501
F13
1. Consider a model for heat rate (kilojoules per kilowatt per hour) y of a gas turbine as a
function of cycle speed (revolutions pr minute)
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
Department of Mathematics and Statistics
Assignment #2 Solution
STAT 2501
F13
1. Sales and marketing Management determined the eective buying income (EBI) of
the average household in a state. Can the EBI be used to pred
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
Department of Mathematics and Statistics
Assignment #1 Solution
STAT 2501
F12
1. The following is a 90% condence interval for p:(0.46, 0.54). How large was the sample
used to construct this interval? (10)
For condence c
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
Department of Mathematics and Statistics
Quiz #3 Solution
STAT 2501
Name:
Fall 2013
Student No.:
Questions
1. In a simple linear regression model the slope coecient measures (4)
(a) the elasticity of Y with respect to X
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
Department of Mathematics and Statistics
Assignment #4 Solution
STAT 2501
F13
1. In 1995, the median age of Canadian residents was 37 years, as reported by the Census
Bureau. A random sample taken this year of 10 Canadi
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
Department of Mathematics and Statistics
Quiz #1
STAT 2501
Name:
Fall 2013
Student No.:
Questions
1. We intend to estimate the average driving time of Chicago commuters. From data sampled
previously, we believe that the
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
Department of Mathematics and Statistics
Quiz #3 Solution
STAT 2501
Name:
Fall 2012
Student No.:
Questions
1. What factors aect the sale price of oceanside condominium units? To answer this question, the following data
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
Department of Mathematics and Statistics
Assignment #4
STAT 2501
F13
Due on Friday, Nov. 22
1. In 1995, the median age of Canadian residents was 37 years, as reported by the Census
Bureau. A random sample taken this yea