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the following are true-false questions a a model for a binary response has a continuous predictor if the model truly
the horseshoe crab x width values in table 32 have a mean of 263 and standard deviation of 21 if the true relationship
about how large a sample is needed to test the hypothesis of equal probabilities so thatptype ii error005 whenpi1 040
table 515 describes results from a study in which subjects received a drug and the outcome measures whether the subject
table 514 is from a study of nonmetastatic osteosarcoma described in the logxact 7 manual cytel software 2005 p 171 the
in the previous exercise the small cell counts make large-sample analyses questionnable conduct small-sample inference
table 513 refers to the effectiveness of immediately injected or -hourdelayed penicillin in protecting rabbits against
for the example in section 531 y 0 at x 10 20 30 40 and y 1 at x 60 70 80 90 a explain intuitively why for the
in the previous exercise the table has some small counts and exact methods have greater validity than large-sample ones
refer to table 27 on mothers drinking and infant malformationsa fit the logistic regression model using scores 0 05 15
problem 79 shows a 2 times 2 times 6 table for y whether admitted to graduate school at the university of california
table 512 summarizes eight studies in china about smoking and lung cancera fit a logistic model with smoking and study
refer to table 210 on death penalty decisions fit a logistic model with the two race predictors a test the model
in chapter 4 exercises 429 430 431 and 432 asked for a data analysis and report select one of those analyses and
according to the independent newspaper london march 8 1994 the metropolitan police in london reported 30475 people as
refer to the following artificial datadenote by m0 the logistic model with only an intercept term and by m1 the model
logistic regression is often applied to large financial databases for example credit scoring is a method of modeling
refer to table 727 in chapter 7 with opinion about premarital sex as the response variable use a process such as
here is an alternative to the hosmer-lemeshow goodness-of-fit test when at least one predictor is continuous partition
for the horseshoe crab data fit the logistic regression model with x weight as the sole predictor of the presence of
problem 41 with table 48 used a labeling index li to predict pi the probability of remission in cancer patientswhen
refer to the classification table in table 53 with pi0 050 a explain how this table was constructed b estimate the
from the same survey referred to in problem 416 table 511 cross-classifies whether a person smokes frequently with the
refer to the previous two exercises about mbti and drinkinga the sample proportion who reported drinking alcohol