=+b) Suppose those standard deviations are 1.5 months for the first company and 9 months for the second company.

Does this change your opinion of the batteries? Explain.

100.0% maximum 60 99.5% 60 97.5% 60 90.0% 60 75.0% quartile 60 50.0% median 53.5 25.0% quartile 17 10.0% 6.5 2.5% 0 0.5% 0 0.0% minimum 0 M07_SHAR8696_03_SE_C07.indd 266 14/07/14 7:31 AM Exercises 267