Question: If appropriate, construct a 80% confidence interval for the mean calorie count for all 12-ounce milkshakes sold at fast-food restaurants. Round the answers to at

If appropriate, construct a 80% confidence interval for the mean calorie count for all 12-ounce milkshakes sold at fast-food restaurants. Round the answers to at least two decimal places.

Let's shake on it: A random sample of 12-ounce milkshakes from 12 fast-food restaurants had the following number of calories. 450 399 591 504 510 613 476 700 473 375 A472 642 ( Send data to Excel ) Assume the population standard deviation is o = 93

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