Question: Wheat prices. Example 7.14 (page 425) describes a USDA survey used to estimate wheat prices in July and September. Calculate the two sample standard deviations

Wheat prices. Example 7.14 (page 425) describes a USDA survey used to estimate wheat prices in July and September.

Calculate the two sample standard deviations and perform the test for equality of standard deviations and summarize your conclusion.

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