BUSN 5000 TEST 1 || A+ GUARANTEED.
(HW5) if an estimator is consistent, any _____ and its sampling _____ vanish as sample size
grows. correct answers bias, eror
(HW5) If an estimator is consistent, we say it _____ the estimand. correct answers identifies
(HW5) when a CPS respondent refuses to report their earnings there is an ______ nonresponse
correct answers item
(HW5) Let's say that x* is the true X but is not directly observed because of measurment error. A
simple model for this scenario is _____ = x* + _____. correct answers X, e
(HW5) if X* is _______ to the measurement error, we cannot learn anything about the
distribution of X* from the distribution of _______. correct answers related, X
(HW5) The classical measurement-error assumptions include that the expected value of the
measurement error is _____ and the measurement error independent of the true _____. correct
answers 0, x
(HW5) One implication of classical measurement error is that corr(X, Y)____corr(X*,Y), where
Y is another random variable to which X might be related correct answers <
(HW5) When X is binary, measurement error results in ____ and the _______ assumptions
dono't apply. correct answers Misclassification, classical
(HW5) When X is binary, learning about P(x* = 1) depends on the _______positive and negative
rates correct answers false, false
, (HW5) some students in project STAR move away, resulting in _______, which is a form of
_______ nonresponse. correct answers attrition, unit
(HW5) Based on Table 3, only ____ of the original ______ kindergartners remain in 3rd grade
correct answers 3005, 5786
(HW5) to understand the effects of sample selection on our ability to learn about E(Y|X), we
need to know how selection depends on _____ and _______. correct answers Y, X
(HW5) if the selection mechanism is _______ of the X and Y, then we say missing data are
missing _______. correct answers independent, completely at random
(HW5) if S represents the selection mechanism and E(Y|X,S) = E(Y|X), then we say the missing
data are missing _______ or the mechanism is _______. correct answers at random, exogenous
(HW5) In the card data, 949 do not hoave an IQ test score. this would violate _______ if the
probability that a score is missing is higher for lower IQ men. correct answers missing
completely at random
(HW5) One way to _________ missing values is to predict them using a statistical model. correct
answers impute
(HW1) The term data is (singlular/plural) _____. correct answers plural
(HW1) A data set is made up of _____ that contain information on a specific entity. correct
answers records
(HW1) Each record is made of _____ that contain measurements of known types. correct
answers fields
(HW5) if an estimator is consistent, any _____ and its sampling _____ vanish as sample size
grows. correct answers bias, eror
(HW5) If an estimator is consistent, we say it _____ the estimand. correct answers identifies
(HW5) when a CPS respondent refuses to report their earnings there is an ______ nonresponse
correct answers item
(HW5) Let's say that x* is the true X but is not directly observed because of measurment error. A
simple model for this scenario is _____ = x* + _____. correct answers X, e
(HW5) if X* is _______ to the measurement error, we cannot learn anything about the
distribution of X* from the distribution of _______. correct answers related, X
(HW5) The classical measurement-error assumptions include that the expected value of the
measurement error is _____ and the measurement error independent of the true _____. correct
answers 0, x
(HW5) One implication of classical measurement error is that corr(X, Y)____corr(X*,Y), where
Y is another random variable to which X might be related correct answers <
(HW5) When X is binary, measurement error results in ____ and the _______ assumptions
dono't apply. correct answers Misclassification, classical
(HW5) When X is binary, learning about P(x* = 1) depends on the _______positive and negative
rates correct answers false, false
, (HW5) some students in project STAR move away, resulting in _______, which is a form of
_______ nonresponse. correct answers attrition, unit
(HW5) Based on Table 3, only ____ of the original ______ kindergartners remain in 3rd grade
correct answers 3005, 5786
(HW5) to understand the effects of sample selection on our ability to learn about E(Y|X), we
need to know how selection depends on _____ and _______. correct answers Y, X
(HW5) if the selection mechanism is _______ of the X and Y, then we say missing data are
missing _______. correct answers independent, completely at random
(HW5) if S represents the selection mechanism and E(Y|X,S) = E(Y|X), then we say the missing
data are missing _______ or the mechanism is _______. correct answers at random, exogenous
(HW5) In the card data, 949 do not hoave an IQ test score. this would violate _______ if the
probability that a score is missing is higher for lower IQ men. correct answers missing
completely at random
(HW5) One way to _________ missing values is to predict them using a statistical model. correct
answers impute
(HW1) The term data is (singlular/plural) _____. correct answers plural
(HW1) A data set is made up of _____ that contain information on a specific entity. correct
answers records
(HW1) Each record is made of _____ that contain measurements of known types. correct
answers fields
