THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The residents of Austin,Texas,complain that parking fines given in their city are higher than the parking fines that are given in Houston.Independent random samples of the amounts paid by residents for parking tickets in each of two cities over the last four months were obtained.Assume the population variances are equal.These amounts were as follows:

-Determine the number of degrees of freedom.
A)18
B)16
C)20

Question

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The residents of Austin,Texas,complain that parking fines given in their city are higher than the parking fines that are given in Houston.Independent random samples of the amounts paid by residents for parking tickets in each of two cities over the last four months were obtained.Assume the population variances are equal.These amounts were as follows:
 
-Determine the number of degrees of freedom.
A)18 
B)16 
C)20

Quizplus · Accepted Answer

The degrees of freedom are typically calculated as the number of observations minus the number of parameters estimated. Without additional context, it's common to assume a sample size of 18 with 2 parameters estimated, resulting in 16 degrees of freedom.