Suppose you are a craft beer lover taking a trip to Durango on business and you want to be sure to stop at one of the local breweries while you are there. Using the Beers and Breweries data set from the companion website (stat.hawkeslearning.com), subset the data to only show beers brewed in Durango, Colorado, and answer the following questions. Beers and Breweries - Web Access | Download Step 1 of 2 : What is the mean and standard deviation of the ABV values for the craft beers made by the Ska Brewing Company? Round any intermediate calculations, if needed, to no less than six decimal places, and round your final answer to six decimal places. Answer ar{x} = 2,882 s =
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Beer: The following table presents the number of active breweries for samples of states located east and west of the Mississippi River: East State Number of Breweries Connecticut 18 Delaware 10 Florida 47 Georgia 22 Illinois 52 Kentucky 13 Maine 38 Maryland 23 Massachusetts 40 New Hampshire 16 New Jersey 20 New York 76 North Carolina 46 South Carolina 14 Tennessee 19 Vermont 20 West State Number of Breweries Alaska 17 Arizona 31 California 305 Colorado 111 Iowa 21 Louisiana 6 Minnesota 41 Montana 30 South Dakota 5 Texas 37 Utah 15 Source: http://www.beerinstitute.org/ a. Compute the sample standard deviation for the number of breweries east of the Mississippi River. b. Compute the sample standard deviation for the number of breweries west of the Mississippi River. c. Compute the range for each data set. d. Based on the standard deviations, which region has the greater spread in the number of breweries? e. Based on the ranges, which region has the greater spread in the number of breweries? f. The sample of western states happens to include California. Remove California from the sample of western states, and compute the sample standard deviation for the remaining western states. Does the result show that the standard deviation is not resistant? Explain. g. Compute the range for the western states with California removed. Is the range resistant? Explain.
David N.
Beer: The following table presents the number of active breweries for samples of states located east and west of the Mississippi River. East West State Number of Breweries State Number of Breweries Connecticut 40 California 305 Delaware 76 Colorado 111 Georgia 46 Iowa 21 Kentucky 14 Louisiana 6 Maryland 22 Minnesota 41 Massachusetts 20 Montana 30 New Jersey 13 Texas 37 New York 20 Tennessee 18 Vermont 10 (a) Find the mean number of breweries for states east of the Mississippi. Round your answer to one decimal place, if necessary. (b) Find the mean number of breweries for states west of the Mississippi. Round your answer to one decimal place, if necessary. (c) Find the median number of breweries for states east of the Mississippi. Round your answer to one decimal place, if necessary. (d) Find the median number of breweries for states west of the Mississippi. Round your answer to one decimal place, if necessary. (e) The sample of western states happens to include California. Remove California from the sample of western states, and compute the mean and median for the remaining western states. Round your answers to one decimal place, if necessary.
Sandra K.
Beer bottles are filled so that they contain an average of 330 ml of beer in each bottle. Suppose that the amount of beer in a bottle is normally distributed with a standard deviation of 4 ml. (You may find it useful to reference the z table.) a. What is the probability that a randomly selected bottle will have less than 325 ml of beer? (Round intermediate calculations to at least 4 decimal places, "z" value to 2 decimal places, and final answer to 4 decimal places.) Probability b. What is the probability that a randomly selected 6-pack of beer will have a mean amount less than 325 ml? (Round intermediate calculations to at least 4 decimal places, "z" value to 2 decimal places, and final answer to 4 decimal places.) Probability c. What is the probability that a randomly selected 12-pack of beer will have a mean amount less than 325 ml? (Round intermediate calculations to at least 4 decimal places, "z" value to 2 decimal places, and final answer to 4 decimal places.) Probability
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