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 infor
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,
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 (
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
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
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 - bot
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 agen
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,
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 dat
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
/
_ 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 Siz
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
s
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
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,
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 th
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
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 age
4.
(iv) 52 statistics
STAT 2509 A
Assignment#1
SOLUTION
a) What are the important differences between a parameter and a
statistic? {x -
r 3' \
o Parameter: is a descriptive measure of a poputation.
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
,k‘kHHK I]?
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an ﬂu modu 7
Q pr Oicg‘lu,v“€%
er:
fX ,Ixz) '75, Awafxi
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STAT 2509 A
Assignment #4
DUE:
November 28th, 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
STAT 2509 A
Assignment #3
DUE:
October 19th, 2017 (to be handed in during the class)
1.
Marketing Department for a large manufacturer of electronic games would like to
measure the effectiveness of dif
STAT 2509 A /
Assignment #2
SOLUTION
1. The foilowing table gives the waist size (in inches) and the body fat (in %). Do the
data indicate an association between waist size and body fat?
Waist Size (x
/:/5
Assignment #3
SOLUTION
1. Marketing Department for a large manufacturer of electronic games would like to
measure the effectiveness of different types of advertising media in the promotion of its
STAT 2509A
Test#1
(October 12th, 2017)
All solutions must be shown clearly.
1. An investigator was interested in examining the effect of different doses of a new
drug on the pulse rates of human subje