Question: 10. Pottery, continued In Exercise 12 (Chapter 1 Review), we analyzed the percentage of aluminum oxide in 26 samples of pottery.15 Since one of the

10. Pottery, continued In Exercise 12 (Chapter 1 Review), we analyzed the percentage of aluminum oxide in 26 samples of pottery.15 Since one of the sites only provided two measurements, that site is eliminated, and comparative box plots of aluminum oxide at the other three sites are shown.

Site L + 10 12 14 16 18 20 20 Aluminum Oxide

a. What two variables have been measured in this experiment? Are they qualitative or quantitative?

b. How would you compare the amount of aluminum oxide in the samples at the three sites?

Site L + 10 12 14 16 18 20 20 Aluminum Oxide 22

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