State the percentage of an additive in gasoline was measured

Reference no: EM13229574

The percentage of an additive in gasoline was measured six times with the following results: 0.14, 0.15, 0.16, 0.17, 0.20, 0.11%. Find the average and RSD and 90% confidence intervals for the percentage of the additive.

Reference no: EM13229574

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