Examlex
If the populations are normally distributed but the population variances are unknown the t-statistic can be used as the basis for statistical inferences about the difference in two population means using two independent random samples.
Thrown Exception
An event that occurs during the execution of a program that disrupts the normal flow, which is then handled by try and catch blocks.
Try Block
Part of exception handling in many programming languages, where potentially errors-prone code is placed and monitored for exceptions.
Catch Block
Part of exception handling syntax, it is a section of code that is executed when an exception is thrown, allowing the program to respond or recover.
File Not Found
An error indicating that the system is unable to locate a specified file, typically due to a wrong path or filename.
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