When Finding a Confidence Interval for a Population Mean Based

question 37

Multiple Choice

When finding a confidence interval for a population mean based on a sample of size 8, which assumption is made?

• A) The population standard deviation,is known.
• B) The sampling distribution of z is normal.
• C) The sampled population is approximately normal.
• D) There is no special assumption made.
• E) None of these.

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