### Hypothesis Testing - Shopping Time for Women with Children

The mean shopping time for women with kids is 7.3 minutes. A random sample of women with children in a shopping store gave the following shopping times in minutes: 7.7 8.1 8.2 9.0 5.8 9.3 8.4 6.9 12.1 9.4 8.1 6.2 7.3 7.9 8.2 8.5 7.2 6.3 9.1 8.8 a) Verify that mean=8.1 minutes and s=1.4