In estimating the population mean with the population standard deviation unknown,if the sample size is 12,there will be 6 degrees of freedom.

Name: In estimating the population mean with the population standard deviation unknown,if the sample size is 12,there will be 6 degrees of freedom.
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When estimating the population mean with the population standard deviation unknown and a sample size of 12, there would be 11 degrees of freedom, not 6. The degrees of freedom is equal to the sample size minus 1.

In Estimating the Population Mean with the Population Standard Deviation