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Old 07-28-2007   #1
Jason C
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Default Can anyone help me with this critical value statistics problem?

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. The critical value for a 99% confidence interval for this sample is ________.