6. [-/1 Points] DETAILS MENDSTAT15 3.R.010. MY NOTES ASK YOUR TEACHER Researchers analyzed the percentage of aluminum oxide in 26 samples of Romano-British pottery found
6. [-/1 Points] DETAILS MENDSTAT15 3.R.010. MY NOTES ASK YOUR TEACHER Researchers analyzed the percentage of aluminum oxide in 26 samples of Romano-British pottery found at four different kiln sites in the United Kingdom. + 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. A - I . Site L 10 12 14 16 18 20 22 Aluminum Oxide (a) What two variables have been measured in this experiment? Are they qualitative or quantitative? (Select all that apply.) O aluminum oxide (quantitative) O aluminum oxide (qualitative) O archaeological site (quantitative) O archaeological site (qualitative) pottery type (quantitative) O pottery type (qualitative) O pottery size (quantitative) O pottery size (qualitative) (b) Compare the amount of aluminum oxide in the samples at the three sites. (Select all that apply.) Site A had the lowest levels of aluminum oxide. O Site I had the lowest levels of aluminum oxide. O Site L had the lowest levels of aluminum oxide. O The levels of aluminum oxide are the same at the three sites. The variability is much lower at Site L than Sites A and I. The variability is much lower at Site I than Sites A and L. O The variability is much lower at Site A than Sites I and L. The variability is about the same at the three sites
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