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TABLE 8-5 The Actual Voltages of Power Packs Labeled as 12 Volts

Question 49

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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 99% confidence interval for the mean voltage of the power packs is from ____ to_____ .

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