#5

The accompanying table is from a study conducted with the stated objective of addressing cell phone safety by understanding why people use a particular ear for cell phone use. Assume that one wants to test the claim that handedness and cell phone ear preference are independent of each other. The accompanying technology output displays results from this test. Assume that the hypothesis test requirements are all satisfied. Identify the test statistic and theP-value, and then state the conclusion about the null hypothesis.

Right Ear

Left Ear

No Preference

Right-Handed

446

169

38

Left-Handed

17

48

8

2-Test

2=58.522315

p=2.000e13

df=2

Identify the test statistic.

The test statistic is . (Round to three decimal places asneeded.)