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The article "Origin of Precambrian Iron Formations" (Econ. Geology, 1964:
The article “Origin of Precambrian Iron Formations” (Econ. Geology, 1964: 1025 – 1057) reports the following data on total Fe for four types of iron formation (1 = carbonate, 2 = silicate, 3 = magnetite, 4 = hematite).Type 436.633.244.334.234.233.030.436.431.525.6Carry out a complete analysis using ANOVA and a 5% significance level.