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An analyst collected data on the price of a carton of grape tomatoes at 30 locations selected at random in Utah. The mean price of a carton of grape tomatoes in Utah was estimated to be $4.23, with an associated $0.08 margin of error of. Which of the following is a plausible statement about the mean price of a carton of grape tomatoes for all locations that sell this product in Utah? $4.15 $4.31
Correct answer: A (parsed from the explanation — this source omits an answer key for this item)
Explanation
Choice A is correct. It’s given that the mean price of a carton of grape tomatoes $4.23 $0.08 in Utah was estimated to be , with an associated margin of error of . It $4.23-$0.08 follows that plausible values for this mean price are between and $4.23+$0.08 . Therefore, it’s plausible that the mean price of a carton of grape $4.15 tomatoes for all locations that sell this product in Utah is between and $4.31 . Choice B is incorrect and may result from conceptual or calculation errors. Choice C is incorrect and may result from conceptual or calculation errors. Choice D is incorrect and may result from conceptual or calculation errors.
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