$$\text { TABLE 8-5 }$$ 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, it is possible that the 99% confidence interval calculated from the data will not contain the mean voltage for the entire population.

Question

Quizplus · Accepted Answer

A confidence interval provides a range where the true population mean is likely to fall, but there is still a 1% chance (in a 99% confidence interval) that the interval does not contain the true mean.

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

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