Exhibit 12-6
The owner of a car wash wants to see if the arrival rate of cars follows a Poisson distribution. In order to test the assumption of a Poisson distribution, a random sample of 150 ten-minute intervals was taken. You are given the following observed frequencies:
-Refer to Exhibit 12-6. The calculated value for the test statistic equals
A)-0.18
B)0.18
C)1.72
D)2.89

Question

Exhibit 12-6
The owner of a car wash wants to see if the arrival rate of cars follows a Poisson distribution. In order to test the assumption of a Poisson distribution, a random sample of 150 ten-minute intervals was taken. You are given the following observed frequencies: 
-Refer to Exhibit 12-6. The calculated value for the test statistic equals
A)-0.18 
B)0.18 
C)1.72 
D)2.89

Quizplus · Accepted Answer

The Answer of Exhibit 12-6
The owner of a car wash wants to see if the arrival rate of cars follows a Poisson distribution. In order to test the assumption of a Poisson distribution, a random sample of 150 ten-minute intervals was taken. You are given the following observed frequencies: 
-Refer to Exhibit 12-6. The calculated value for the test statistic equals
A)-0.18 
B)0.18 
C)1.72 
D)2.89

Exhibit 12-6 The Owner of a Car Wash Wants to See If