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When finding a confidence interval for a population mean based on a sample of size 11, which assumption is made?
The standard deviation is fixed.
The sampling distribution of z is normal.
The sampling distribution of the sample means is approximately normal.
There is no special assumption made.
I would think D, no special assumption.
MathGuru
answered
11 years ago
11 years ago
Explain Bot
answered
11 months ago
11 months ago