x Frequency

2 or less 5

3 26

4 28

5 55

6 76

7 80

8 70

9 56

10 37

11 25

12 17

13 13

14 or more 12

Total 500

Based on the sample data in the frequency distribution shown to the right, conduct a test to determine whether the population from which the sample data were selected is Poisson distributed with mean equal to 6. Test using alpha

α =0.05

1.

**A.**

Upper H 0

H0: The population is Poisson distributed with mean equal to 6.

Upper H Subscript Upper A

HA: The population is not Poisson distributed with mean equal to 6.

Upper H 0

B.

H0: The population is not Poisson distributed with mean equal to 6.

Upper H Subscript Upper A

HA: The population is Poisson distributed with mean equal to 6.

Upper H 0

c.

H0: The population mean is not equal to 6.

Upper H Subscript Upper A

HA: The population mean is equal to 6.

Upper H 0

**D.**

H0: The population mean is equal to 6.

Upper H Subscript Upper A

HA: The population mean is not equal to 6.

The test statistic is chi squared

χ2

=?

.

(Round to three decimal places as needed.)

The critical chi-square value is ?

.

(Round to four decimal places as needed.)

Draw a conclusion. Choose the correct answer below.

#### Top Answer

Ho: Population from which sample is taken is Poisson distributed with mean equal to 6. Ha: Population from which... View the full answer