An F-curve has df=(12,5). In each case, find the F-value having the specified area to its right.

a.0.01

b.0.05

c.0.005

Short Answer

Expert verified

(a) The required F-values

F0.01=9.89

(b) The required F-values

F0.05=4.68

(c) The required F-values

F0.005=13.38

Step by step solution

01

Part (a) Step 1: Given information

Given in the question that, An F-curve has role="math" localid="1652201689198" df=(12,5). We need to flnd the F-value having the area 0,01 to its right.

02

Part (a) Step 2: Explanation

Given

F-curves have df=(12,5)

The area to the right of width="50">=0.01F-value

The numerator's degrees of freedom =12

The denominator's degrees of freedom are =5 .

Statistical significance α=0.01

The F-value is calculated using Table VIII. Go to '5' in the dfd column. After that, concentrate on theαrow labelled 0.01. Cross that row to the '12' column, and the point earned will be 9.89.

Therefore,

F0.01=9.89

03

Part (b) Step 1: Given information

Given in the question that, An F-curve has df=(12,5). We need to flnd the F-value having the area 0,05to its right.

04

Part (b) Step 2: Explanation

Given,

F-curves havedf=(12,5)

The area to the right of 0.05F-value

The numerator's degrees of freedom are =12.

The denominator's degrees of freedom are =5. Signiflcance level α=0.05The F-value is calculated using Table VIII. Go to ' 5 :' in the dfd column. Next, pay attention to the 0.05row for α. Go across that row to the ' 12 ' column; the point earned will be 4.68.

Therefore,

F0.05=4.68

05

Part (c) Step 1: Given information

Given in the question that, An F-curve has df=(12,5). We need to flnd the F-value having the area role="math" localid="1652258244239" 0.005to its right.

06

Part (c) Step 2: Explanation

Given: df=(12,5)on an F-curve

The area to the right of =0.005F-value

The numerator's degrees of freedom are =12.

The denominator's degrees of freedom are=5.

Statistical significanceα=0.005

The F-value is calculated using Table VIII. Go to '5'in the dfd column. Next, concentrate on the 0.005column for α. The point acquired will be 13.38if you go across that row to the column labelled '12'.

Therefore,

$$

F_{0.05}=13.38

$$

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