3.31 Pottery, continued Here is the per- centage of aluminum oxide, the percentage of iron oxide, and the percentage of magnesium oxide in five samples collected at Ashley Rails in the United Kingdom.

a. Find the correlation coefficients describing the relationships between aluminum and iron oxide content, between iron oxide and magnesium oxide, and between aluminum oxide and magnesium oxide.

b. Write a sentence describing the relationships between these three chemicals in the pottery samples.

Transcribed Image Text:

Sample Al Fe Mg 1 17.7 1.12 0.56 2345 2 18.3 1.14 0.67 16.7 0.92 0.53 14.8 2.74 0.67 5 19.1 1.64 0.60