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Fill in the blank with the appropriate value.When constructing a confidence interval for a population mean μ from a sample of size 19, the number of degrees offreedom for the critical value f/2 is

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Answer

The degree of freedom = 18

Step-by-step explanation

Given:

Sample size = 19

What to find:

The number of degrees of freedom for the critical value f/2.

Solution:

The formula to calculate the degree of freedom is:


\begin{gathered} DOF=N-1 \\ \end{gathered}

Put N = sample size = 19


\begin{gathered} DOF=19-1 \\ \\ DOF=18 \end{gathered}

Hence, the number of degrees of freedom for the critical value f/2 is 18

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