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Average percentage of aluminum oxide

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Reference no: EM131055875

An article in Archaeometry involved an analysis of 26 samples of Romano-British pottery, found at four different kiln sites in the United Kingdom.9 The samples were analyzed to determine their chemical composition and the percentage of aluminum oxide in each of 10 samples at two sites is shown below.

Island Thorns

Ashley Rails

18.3

17.7

15.8

18.3

18.0

16.7

18.0

14.8

20.8

19.1

Does the data provide sufficient information to indicate that there is a difference in the average percentage of aluminum oxide at the two sites? Test at the 5% level of significance.

Reference no: EM131055875

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