Essay
Interest Rates Narrative
The following 10 observations are interest rates on unpaid balances on credit cards for a department store: 10.4, 10.1, 9.5, 10.5, 10.6, 9.3, 9.9, 10.7, 9.5, and 10.0.
-Refer to Interest Rates Narrative. Find a 99% confidence interval for the population mean , and explain how to use it for testing
vs.
using
Correct Answer:

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= 10.05
(3.250) 0.4994/
= 10.05
0.51...View Answer
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Correct Answer:
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