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:

-What is the mean of the parking fines issued in Austin?
A)97.88
B)146.75
C)78.30
D)117.40

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:
 
-What is the mean of the parking fines issued in Austin?
A)97.88 
B)146.75 
C)78.30 
D)117.40

Quizplus · Accepted Answer

To find the mean of the parking fines issued in Austin, we need to take the average of the given amounts for Austin. Adding up the amounts and dividing by the number of amounts, we get: (85 + 72 + 109 + 154 + 95 + 119 + 107) / 7 = 117.40. Therefore, the answer is D.

As for the second question, no options were given. It's unclear what is being asked for.