An experiment was conducted to estimate the average fat content of a quarter pounder with cheese. A random sample of 30 burgers produced a sample mean of 26 grams which resulted in a 95% confidence interval of (25, 27) grams. Which of the following is the correct interpretation of this interval? 95% of the quarter pounders with cheese sampled had a fat content between 25 and 27 grams. We are 95% confident that the mean fat content of the sampled quarter pounders with cheese is between 25 and 27 grams. We are 95% confident that the mean fat content of a quarter pounder with cheese is between 25 and 27 grams. We are 95% confident that the range of fat content of a quarter pounder with cheese is between 25 and 27 grams.
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The confidence level (95% in this case) refers to the proportion of times that the interval would contain the true population mean if we repeated the sampling process many times. Show more…
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