Multiple Choice
Suppose that you wish to obtain a confidence interval for a population mean. Under the conditions described below, should you use the z-interval procedure, the t-interval procedure, or neither?
- The population standard deviation is known.
- The population is not normally distributed.
- The sample size is 12.
A) t-interval procedure
B) Neither
C) z-interval procedure
Correct Answer:

Verified
Correct Answer:
Verified
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