STA303H1-S: Methods of Data Analysis II
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STA303H1-S: Methods of Data Analysis II
Assignment 3
Due data March 03, 2023
Instructions: Show your answers in details.
Q2 (10 points): Consider the Crabs data set available from the website http://www .stat .ufl . edu/~aa/cat/data/Crabs .dat with the name "Crabs .dat".
1. Fit the logistic regression model for the probability of a satellite (Y = 1) using X = weight as the sole independent variable.
2. Interpret the effect of the weight on the odds of a satellite.
3. Estimate the probability of a satellite (Y = 1) at the mean weight value of the crabs.
4. Find and interpret the average marginal effect of weight per 0.20 −kg increase.
2023-03-04