QNM444 Assignment 2
Total: 25 marks
Question1
(10 marks)
Fire damage amounts to billions of dollars, much of it insured. The time taken to arrive at the fire is
critical. This raises the question, Sho
Key_QNM444 Term Practice Test
Question 1Multiple Choice
1.01
d
1.02
c
1.03
c
1.04
b
1.05
b
Question 2
a) Test at 5% level of significance, whether the aerobic exercise raises heart rate significantly.
QNM444 Assignment 4
Total 25 marks
Question 1
(2 marks)
Complaints about an Internet brokerage firm occur at a rate of five per day. The number of complaints
appears to be Poisson distributed.
a)
b)
F
QNM444
TWO MEANS
#13.17/p. 458 cfw_Equal Variances
The president of Tastee Inc., a baby food
producer, claim that her companys is superior
to that of her leading competitor, because
babies gain weight
QNM444 Term Practice Test
Question 1 Multiple Choice
2
1) The quantity s p is called the pooled variance estimate of the common variance of two unknown
but equal population variances. It is the weight
Estimation and Hypothesis
Testing for Two Population
Means
(Chapter 13)
13-1 Population Means: Independent
Samples page 438
Do male and female college students differ with
respect to their fastest rep
13.5 Inference About the
Difference Between Two
Population Proportions
Review
Population :
is the group of all items
of interest to a researcher.
Sample:
is a set of data drawn from
the population.
Pa
Chapter 22
Decision Analysis
Decision Making
Test of
Hypothesis
Either reject or not
reject the null H0
Decision Analysis
Select an
alternative from a
list
Based on statistical May not have
evidence
s
Welcome to QNM444N1A
Instructor:
Contact:
Textbook:
Elizabeth Tan
[email protected]
Statistics for Management and
Economics by Gerald Keller, 10th
ed
Final exam:
(Thursday) August 20,
201
Welcome to QNM444N1A
Instructor:
Contact:
Textbook:
Elizabeth Tan
[email protected]
Statistics for Management and
Economics by Gerald Keller, 10th
ed
Final exam:
(Thursday) August 20,
2015
7
Index
Numbers
Index Numbers
Index numbers allow relative
comparisons over time
Index numbers are reported relative to
a Base Period Index
Base period index = 100 by definition
Used for an individu