TABLE 8-4 The Actual Voltages of Power Packs Labeled as 12 Volts

question 171

True/False

TABLE 8-4
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.
-True or False: Referring to Table 8-4,a confidence interval estimate of the population mean would only be valid if the distribution of voltages is normal.

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