In Exercises 1720, (a) identify the claim and state H0 and Ha, (b) find the critical

Chapter 10, Problem 17

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In Exercises 1720, (a) identify the claim and state H0 and Ha, (b) find the critical value and identify the rejection region, (c) find the test statistic F, (d) decide whether to reject or fail to reject the null hypothesis, and (e) interpret the decision in the context of the original claim. Assume the samples are random and independent, and the populations are normally distributed. If convenient, use technology.An agricultural analyst is comparing the wheat production in Oklahomacounties. The analyst claims that the variation in wheat production is greaterin Garfield County than in Kay County. A sample of 21 Garfield Countyfarms has a standard deviation of 0.76 bushel per acre. A sample of 16 KayCounty farms has a standard deviation of 0.58 bushel per acre. At a = 0.10,can you support the analysts claim? (Adapted from Environmental Verificationand Analysis CenterUniversity of Oklahoma)

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