A miner is attempting to gauge the amount of iron ore in a mountain; he drills...
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A miner is attempting to gauge the amount of iron ore in a mountain; he drills 32 samples and writes down the percentage of each sample containing iron ore. These are given below: 4 9. 7 10 7 9. 2 8 6. 4 2 3 7 1 6. 5 4 4 1 Showing full working, calculate a 95% confidence interval for the population mean to 2 d.p [8 marks] -L575 A miner is attempting to gauge the amount of iron ore in a mountain; he drills 32 samples and writes down the percentage of each sample containing iron ore. These are given below: 4 9. 7 10 7 9. 2 8 6. 4 2 3 7 1 6. 5 4 4 1 Showing full working, calculate a 95% confidence interval for the population mean to 2 d.p [8 marks] -L575
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x xx xx 2 4 078125 061035 8 321875 1036035 7 221875 492285 6 121875 148535 9 421875 17797... View the full answer
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