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 TABLE 8-5 \text { TABLE 8-5 } The Actual Voltages of Power Packs Labeled as 12 Volts

Question 72

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 TABLE 8-5 \text { TABLE 8-5 } The actual voltages of power packs labeled as 12 volts are as follows: 11.77, 11.90, 11.64, 11.84, 12.13, 11.99, and 11.77.
-Referring to Table 8-5, a 95% confidence interval for the mean voltage of the power pack is wider than a 99% confidence interval.

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