Cody Krietemeyer
Homework #1
Stat 512
Division 1 (1:30 Class time)
1. A regression analysis relating test scores (Y) to training hours (X) produced the
following fitted question: y = 28 0.4x.
(a) What is the fitted value of the response variable correspon
Statistics 512: Homework 4
Solutions
1. Consider the following SAS output giving 5 confidence intervals for the mean of Y . If you
wanted to guarantee that joint coverage of the five confidence intervals was at least 94%, what
confidence level would you u
Statistics 512: Homework 1
Due Monday, January 25, 2016 (11:59 pm)
A reminder Please do not hand in any unlabeled or unedited SAS output. Include in your write-up
only those results that are necessary to present a complete solution. In particular, questio
Statistics 512: Homework 1
Divisions 1, 2, 3, and 4: Due Monday, January 26, 2015
Division 5: Due Tuesday, January 27, 2015
A reminder Please do not hand in any unlabeled or unedited SAS output. Include in your write-up
only those results that are necessa
Spring 2013
STAT 512
HW 2 Key
Homework 2 (16 pts. + 0.5 BONUS)
due Jan. 24
A reminder Please do not hand in any unlabeled or unedited SAS output. Include in your write-up only
those results that are necessary to present a complete solution (what you want
Spring 2013
STAT 512
HW 3
Homework 4 (9.5 pts.)
due Feb. 7
A reminder Please do not hand in any unlabeled or unedited SAS output. Include in your write-up only
those results that are necessary to present a complete solution (what you want the grader to gr
Spring 2013
STAT 512
HW 0A
Homework 0A (Review?)
due? Jan. 10
The following problem set is based from information in Appendix A. This is review or new
material depending on which statistics course you took as a pre-requisite.
1. (From A.3) A certain autom
Spring 2013
STAT 512
HW 2
Homework 2 (16 pts. + 0.5 BONUS)
due Jan. 24
A reminder Please do not hand in any unlabeled or unedited SAS output. Include in your write-up only
those results that are necessary to present a complete solution (what you want the
STAT 512
MidTerm I (2/21/2013)
Spring 2013
Name: _Key_
INSTRUCTIONS
1. This exam is open book/open notes. All papers (but no electronic devices except for calculators) are
allowed.
2. There are 5 pages in addition to the cover sheet. If you need more room
Spring 2013
STAT 512
HW 1 - Key
Homework 1 (9 pts.)
due Jan. 17
A reminder Please do not hand in any unlabeled or unedited SAS output. Include in your write-up only
those results that are necessary to present a complete solution (what you want the grader
Fall 2012
STAT 512
HW 3
Homework 3 (23 pts. + 1.5 pt. BONUS)
due Jan. 31
A reminder Please do not hand in any unlabeled or unedited SAS output. Include in your write-up only
those results that are necessary to present a complete solution (what you want th
Spring 2013
STAT 512
HW 5
Homework 5 (30 pts.)
due Feb. 7
A reminder Please do not hand in any unlabeled or unedited SAS output. Include in your write-up only
those results that are necessary to present a complete solution (what you want the grader to gra
Spring 2012
STAT 512
HW 6
Homework 6 (16 pts.)
due Feb. 28
A reminder Please do not hand in any unlabeled or unedited SAS output. Include in your write-up only
those results that are necessary to present a complete solution (what you want the grader to gr
Spring 2013
STAT 512
HW 3 Key
Homework 3 (23 pts. + 1.5 pt. BONUS)
due Jan. 31
A reminder Please do not hand in any unlabeled or unedited SAS output. Include in your write-up only
those results that are necessary to present a complete solution (what you w
Spring 2013
STAT 512
HW 4 Key
Homework 4 (9.5 pts.)
due Feb. 7
A reminder Please do not hand in any unlabeled or unedited SAS output. Include in your write-up only
those results that are necessary to present a complete solution (what you want the grader t
Spring 2012
STAT 512
HW 7
Homework 7 (19 pts.)
due March 7
A reminder Please do not hand in any unlabeled or unedited SAS output. Include in your write-up only
those results that are necessary to present a complete solution (what you want the grader to gr
STAT 512
MidTerm 2 (4/4/2013)
Spring 2013
Name: _Key_
INSTRUCTIONS
1. This exam is open book/open notes. All papers (but no electronic devices except for calculators) are
allowed.
2. There are 5 pages in addition to the cover sheet. If you need more room
Spring 2013
STAT 512
HW 0 KEY
Homework 0 Key (not to be handed in)
due? Jan. 10
The results of running diamond.sas is listed below: Note: I did slightly reduce the size of some of the
graphs so that they would fit on the page.
The SAS System
Obs weight pr
Dennis Wiryadi
Homework #2
Stat 512
1) The analyst reject H0 because pvalue = 0.033 which is < a.
2) Yes, it is possible that R^2 = 0 for first ten part of the data as the scatterplot shows no pattern at all
for the rst ten cases, It is also possible that
Statistics 512: Homework 1
Solutions
1. A regression analysis relating test scores (Y ) to training hours (X) produced the following
fitted question: y = 28 0.4x.
(a) What is the fitted value of the response variable corresponding to x = 5?
Solution: The
Statistics 512: Homework 2
Solutions
1. KNNL Problem 2.17
Solution: Since the analyst concluded Ha : 1 6= 0, the pvalue= 0.033 < and
the analyst rejected H0 . The significance level was greater than 0.033, probably
= 0.05. If the level had been 0.01, I w