# Question

The number of carbohydrates (in grams) per 8-ounce serving of yogurt for each of a random selection of brands is listed below. Estimate the true population variance and standard deviation for the number of carbohydrates per 8-ounce serving of yogurt with 95% confidence.

17 42 41 20 39 41 35 15 43

25 38 33 42 23 17 25 34

17 42 41 20 39 41 35 15 43

25 38 33 42 23 17 25 34

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