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A random sample of radon detectors exposed to 100 pCi/L of radon gave the following readings: 105.6, 90.9, 91.2, 96.9, 96.5, 91.3, 100.1, 105, 99.6,

A random sample of radon detectors exposed to 100 pCi/L of radon gave the following readings: 105.6, 90.9, 91.2, 96.9, 96.5, 91.3, 100.1, 105, 99.6, 107.7 Does this data suggest that the mean reading differs from 100 pCi/L? Test at a = 0.05

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