Which of the following is the formula for a confidence interval for the ratio of the population variances 
/ 
?
Definitions:
Usage Tax
A tax imposed on the use or consumption of certain products or services.
Rose Rosette Disease
A viral disease affecting roses, characterized by excessive thorniness, red pigmentation, and distorted growth, often leading to plant death.
Sulphur Treatment
Processes that remove sulfur compounds from various products, particularly in the oil and gas industry, to prevent pollution and corrosion.
Neem Oil Treatment
The application of neem oil, derived from the neem tree, as a natural pesticide to control pests and diseases in agriculture and horticulture.
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