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University of Toronto at Mississauga Department of Economics
Prof. Gordon Anderson
Eco 220 Term Test 1 Nov 2012
Aids Permitted 1 Calculator, 1 Aid Sheet.
Answer any four of the following six questions. All questions carry equal marks.
\l State the 3 axi
ECO220 Midterm Test (December 16, 2005)
SOLUTIONS
PART I of II
Page 1 of 1
(1) Which of the following would be an example of panel (longitudinal) data? (c) (2) Which of the following histograms is positively skewed? (e) (3) Consider a sample taken from a
MAT 1341D Practice Final Winter 2014
Instructor: P. Hofstra
1. [1 point] Suppose A is a square matrix with n rows (where n 1) and that the rank of
A is n 1. Which of the following statements is then necessarily true?
(a) A is not diagonalizable
(b) The co
ECO220 Quiz #2 (March 2, 2007)
FORM 01 SOLUTIONS
Page 1 of 1
(1) When doing hypothesis testing, what is ? (C) (2) Which rely on the Central Limit Theorem? (C) (3) Which is closest to the 95% interval estimate of the population mean? (E) (4) In hypothesis
ECO220 Quiz #1 (June 8, 2007)
SOLUTIONS
Page 1 of 1
(1) Suppose you suspected a non-linear relationship between two variables: X and Y. Which of the following would best describe the relationship between these variables? (D) (2) For a telephone survey of
ECO220 Quiz #1 (November 4, 2005)
SOLUTIONS (1) Which of the following is not a parameter? (d) (2) Which of the following statements about sampling error is true? (d)
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(3) Which of the following conclusions about var1 can be made based on the a
ECO220 Midterm Test (December 14, 2006)
SOLUTIONS
Part I of II
Page 1 of 1
(1) Which could be used to describe a linear relationship between variables? (D) (2) Which is a random variable? (B) (3) What is the shape of the population? (E) (4) After speaking
ECO220 Quiz #3 (April 13, 2007) SOLUTIONS (1) In regression analysis, what is the standard error of estimate? (C)
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(2) Which of the following will be biased if the homoscedasticity assumption is violated? (C) (3) Which of the following outliers
ECO220 Quiz #2 (June 22, 2006)
FORM 01
SOLUTIONS
Page 1 of 1
(1) When would the sampling distribution of the sample mean X be identical to the population distribution of X? (D) cfw_I also accepted answer E. The sampling distribution would not be identical
PART 1 of 2: ECO220 Midterm Test (June 28, 2007) SOLUTIONS (1) Which of the following is a continuous probability distribution? (D)
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(2) In measuring the strength of a positive linear relationship between X and Y, which of the following affect
MAT 1341 Midterm Test #2 Solution
Winter 2014
March 22nd, 10.00-11.20h
(1) [1 point] Which of the following is not a subspace of R3 ?
(a) cfw_(x, y, z)|x = y and x = z
(b) cfw_(x, y, z)|x = y and y z
(c) cfw_(x, y, z)|(x, y, z) (1, 1, 1) = 0
(d) cfw_t(1,
ECO220 Quiz #1 (June 8, 2006)
FORM 01 SOLUTIONS
Page 1 of 2
(1) Suppose a researcher surveys 349 parents to ascertain their views on proposed curriculum reform for public schools. What kind of data will this survey generate? (A) (2) Considering the graph
ECO220 Quiz #1 (November 3, 2006)
FORM 01 SOLUTIONS
Page 1 of 1
(1) Why is sampling error important? (A) (2) A histogram is a useful description of which of the following? (C) (3) Which of the following graphs could have been created with these same data?