Suppose Apple would like to test the hypothesis that the standard deviation for the web browsing battery life of the iPad equals 3.0 hours. The following data represents the battery life, in hours, experienced by a random sample of six users.

10141216106

The correct hypothesis statement in words would be _____________.

1. Null hypothesis: the population variance equals 9.0
2. Alternative hypothesis: the population variance does not equal 9.0
3. Null hypothesis: the population variance is no less than 9.0
4. Alternative hypothesis: the population variance is larger than 9.0
5. Null hypothesis: the population variance equals 3.0
6. Alternative hypothesis: the population variance does not equal 3.0
7. Null hypothesis: the population standard deviation does not equal 3.0
8. Alternative hypothesis: the population standard deviation equals 3.0