Exam
Name_
MULTIPLECHOICE.Choosetheonealternativethatbestcompletesthestatementoranswersthequestion.
1) Whichofthefollowingsumofsquaresisminimizedbytheleastsquaresmethod?
A) Errorsumofsquares
B) Regressionsumofsquares
C) Totalsumofsquares
D) Alloftheabove
Exam
Name_
MULTIPLECHOICE.Choosetheonealternativethatbestcompletesthestatementoranswersthequestion.
1) Whichofthefollowingistrueaboutaprobabilitydistribution?
A) Thesumofallpossibleoutcomesmustequal1.
B) Theoutcomesdonotneedtobemutuallyexclusive.
C) Thepr
Midterm 2009 Answers
Question 1:
A business school graduate schedules 7
interviews in a given week. Suppose that the
probability that an individual interview results in a
job offer is 0.40. Assume that the outcomes of
the interviews are independent of one
Spring2009
Statistics Quiz 1
1. A researcher determines that he needs results from at least 350 subjects to conduct a study. In order to
compensate for low return rates, he mails a survey to 10,000 subjects and receives 391 responses. Is his
sample of 391
Exam
Name_
MULTIPLECHOICE.Choosetheonealternativethatbestcompletesthestatementoranswersthequestion.
1) Whichofthefollowingstatementsisalwaystrueforanytwoevents A and B definedonasample
spaceS?
A) Thecomplementofevent Aisevent B.
B) IfeventsAand Barecollec
Spring2009
Statistics Quiz 1
1. A researcher determines that he needs results from at least 350 subjects to conduct a study. In order to
compensate for low return rates, he mails a survey to 10,000 subjects and receives 391 responses. Is his
sample of 391
Spring 2009
Statistics Quiz 2
1. (3 points) A consumer research firm conducts a poll of 21,994 people and asks them if they would
purchase a new product. In the sample, 43% of the survey respondents answered yes, indicating that
they would be interested i
Spring 2009
Statistics Midterm
There are 8 questions on the Exam, and some have multiple sub-questions. The number of points awarded
for each question is listed in parentheses next to the question. For all questions, show all of your work.
You will not re
Question 1:
A consumer research firm conducts a poll
of 21,994 people and asks them if they
would purchase a new product. In the
sample, 43% of the survey respondents
answered yes, indicating that they would
be interested in the new product. Given that
43