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# A study conducted by the research department of a pharmaceutical company claims that the annual spending (per person) for prescription drugs for

A study conducted by the research department of a pharmaceutical company claims that the annual spending (per person) for prescription drugs for allergy relief, , is greater than or equal to the annual spending (per person) for non-prescription allergy relief medicine, . A health insurance company conducted an independent study and collected data from a random sample of 260 individuals for prescription allergy relief medicine. The __sample mean__ is found to be 17.8 dollars/year, with a __sample standard deviation__ of 5.5dollars/year. They have also collected data for non-prescription allergy relief medicine. An independent random sample of 250 individuals yielded a sample mean of 18.2 dollars/year, and a sample standard deviation of 4.1 dollars/year. Since the sample size is quite large, it is assumed that the __population standard deviation__ of the sales (per person) for prescription and non-prescription allergy relief medicine can be estimated by using the sample standard deviation values given above. Is there sufficient evidence to reject the claim made by the research department of the company, at the 0.1 level of