Solved: Two types of instruments for measuring the amount
Chapter 16, Problem 16.6(choose chapter or problem)
Two types of instruments for measuring the amount of sulfur monoxide in the atmosphere are being compared in an air-pollution experiment. The following readings were recorded daily for a period of 2 weeks: Sulfur Monoxide Day Instrument A Instrument B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 0.96 0.82 0.75 0.61 0.89 0.64 0.81 0.68 0.65 0.84 0.59 0.94 0.91 0.77 0.87 0.74 0.63 0.55 0.76 0.70 0.69 0.57 0.53 0.88 0.51 0.79 0.84 0.63 Using the normal approximation to the binomial distribution, perform a sign test to determine whether the dierent instruments lead to dierent results. Use a 0.05 level of signicance.
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