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Chapter 13: Q. 13.9 (page 526)

For an \(F\)-curve with \(df=(20,21), find

a. \(F_{0.01}\)

b. \(F_{0.05}\)

c. \(F_{0.10}\)

Short Answer

Expert verified

Part a. The value of \(F_{0.01}\) is \(2.87956\) and the graph is shown in Figure 1.

Part b. The value of \(F_{0.05}\) is \(2.09603\) and the graph is shown in Figure 1.

Part c. The value of \(F_{0.10}\) is \(1.77555\) and the graph is shown in Figure 1.

Step by step solution

01

Part a. Step 1. Given information

The degree of freedom of the \(F-\)curve is \(df=(20,21)\)

02

Part a. Step 2. Calculation

From the table, for \(df=(20,21), F_{0.01}=2.87956\).

The graph of the F-curve is shown in the figure below:

03

Part b. Step 1. Calculation

From the table, for \(df=(20,21), F_{0.05}=2.09603\).

The graph of the F-curve is shown in the figure below:

04

Part c. Step 1. Calculation

From the table, for \(df=(20,21), F_{0.10}=1.77555\).

The graph of the F-curve is shown in the figure below:

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