Confidence interval for the cigarette tax

Reference no: EM1316892

Find the 98% confidence interval for true mean.

A sample of 17 states had these cigarette taxes (in cents).
112 120 98 55 71 35 99 124 64
150 150 55 100 132 20 70 93

Find a 98% confidence interval for the cigarette tax in all 50 states.

Reference no: EM1316892

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