Question

1. The dependent variable has a score in the case of logistic regression. TRUE or FALSE...

1. The dependent variable has a score in the case of logistic regression. TRUE or FALSE and why?

2, If the probability of an even A is 0.2 and that of an event B is 0.10 then the odds ratio is: a.1 b. 2.25 c. 2.0 d. 0.5

3. In the case of logistic regression, we estimate how much the natural logarithm of the odds for Y =1 changes for a unit change in X. TRUE or FALSE

4. In binomial logistic regression, the dependent variables consists of more than two categories. TRUE or FALSE and why?

5. Similar to linear regression, logistic regression has one or more independent variables. TRUE or FALSE and why?

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

1)True

Because In predictive analysis Logistic regression is used to predict in binary form i.e Yes or No thus the dependent variable takes binary scores such as 0-1.

2)Option B is right answer

Odds ratio is given by = [P(A)/(1-P(A)]/[P(B)/(1-P(B)]

= [0.2/(1-0.2)]/[0.1/(1-0.1)]

= 2.25

3)True

because, Logistic regression is logit model in which logarithm of odds is function of unit x and the cofficient is the amount log odss changes with one unit change in X

4)False

Because, in this the dependent variable consists of two categories.

5)True

Because,The independent variables in logistic regression model can be one or more binary or continuous variables but the dependent variable is binary in general ,It is modeled this way .

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