Assignment 1 Complete Solution
Financial analysts specializing in credit markets are often interested in creating models to predict whether a firm will go bankrupt within some fixed period of time. If there is a good chance that a particular firm will go bankrupt, then the firm will have to pay a very high interest rate on any debt (bonds) that it may issue.
In practice, statistical models to predict bankruptcy are fairly difficult to construct. One of the variables that may be useful in distinguishing between firms that go bankrupt and firms that stay solvent is the return on assets (ROA). The accompanying file Bankruptcy.xls (Links to an external site.) contains financial data on 44 firms. Of these 44 firms, 20 firms went bankrupt within 1 year after the data were collected; the other 24 firms remained solvent after 1 year. For this assignment, ignore all financial measures other than ROA.
As a first step, unstack the ROA variable (see Data Utilities menu in StatTools) using “Bankrupt” as the code variable (in the menu, set Bankrupt as the “cat” variable and ROA as the “Val”). Now you should have two columns of ROA data in a new worksheet. For the purpose of this exercise we will assume that firms’ ROA is, in general, normally distributed.
Assignment 1 Complete Solution
Sample Size 20 Sample Mean -0.0700 Sample Std Dev 0.1386 Hypothesized Mean -0.05 Alt...
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