# In Exercises, use Table VIII and, if necessary, the reciprocal property of F-curves to find the required F-values. Illustrate your work graphically.Determine the two F-values that divide the area under the curve into a middle 0.95 area and two outside 0.025 areas for an F-curve witha. df = (7, 4).b. df = (12, 20).

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In Exercises, use Table VIII and, if necessary, the reciprocal property of F-curves to find the required F-values. Illustrate your work graphically.

Determine the two F-values that divide the area under the curve into a middle 0.95 area and two outside 0.025 areas for an F-curve with

a. df = (7, 4).
b. df = (12, 20).

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Step 1

a).

Software procedure:

Step by step procedure to obtain F-value using Minitab software is given below:

• Choose Graph > Probability distribution plot.
• Click on view probability. Click OK.
• Under distribution, select F-Distribution.
• Enter the value 7 in numerator degrees of freedom.
• Enter the value 4 in denominator degrees of freedom.
• Under shaded area, click on probability.
• In Both-tails probability,...

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