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What is the 95 t confidence interval for the mean bmi of

A group of researchers developed a 95% z confidence interval for the mean body mass index (BMI) of women aged 20 to 29 years, based on a national random sample of 694 such women. They assumed that the population standard deviation was known to be σ = 7.5. In fact, the sample data had mean BMI x = 26.5 and standard deviation s = 7.62. What is the 95% t confidence interval for the mean BMI of all young women? (Round your answers to three decimal places.)

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Basic Statistics: What is the 95 t confidence interval for the mean bmi of

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