Considering the following univariate datasets: • A random sample of cheeses is obtained and the number of months each is allowed to age before sale is recorded. • Sixteen universities are selected and each computer network system is carefully analyzed. The computer virus threat is assessed for each campus: low, medium, or high. • A random sample of Waterford Normandy dinner plates is selected and the weight of each plate is recorded. • Thirty-five new customers at a health club are selected and the body-fat percentage of each member is computed and recorded. • A random sample of CDs is obtained from a local music store. The company that produced each CD is noted. • A collection of pens is obtained from employees at a large company. For each pen, the outside diameter of the barrel at its widest point is measured and recorded. . The time it takes giant slalom skiers to cover a race course. • The number of magazines available for sale at newsstands. . The number of black squares in crossword puzzles. • The length of time spent waiting in line at grocery-store checkout lanes. The number of French fries in a small order from fast-food restaurants. · • The length in words of email messages received. • The widths of posters at an art gallery. . The time it takes to compile computer programs. . The number of radioactive particles that escape from special containers during a one-hour period. . The time it takes to bake batches of banana muffins. The concentration of carbon monoxide in homes during the winter. . The number of pages in best-selling murder-mystery novels. How many of these variables is/are continuous? (Type your answer in numerical form, like 5.)

The Behavioral Risk Factor Surveillance System is an ongoing health survey system that tracks health conditions and risk behaviors in the United States. In one of their studies, a random sample of 8,866 adults answered the question "Do you consume five or more servings of fruits and vegetables per day?" The data are summarized by response and by age-group in the frequency table below. Age-Group (years) Yes No 18-34 231 35-54 669 55 or older Total 1,291 2,191 741 2,242 3,692 6,675 Total 972 2,911 4,983 8,866 Do the data provide convincing statistical evidence that there is an association between age-group and whether or not a person consumes five or more servings of fruits and vegetables per day for adults in the United States? The value of the test statistic is 83.663. Use a 0.05 level of significance to test the hypothesis. The critical value is 5.991. What is the expected number of 19-34-year-olds who say that they consume five or more servings of fruits and vegetables per day? Among…

The Wisconsin Fish and Game Department stocked a lake with 30% catfish, 15 % bass, 40% bluegill, and 15% Northern Pike. Five years later they took a random sample of 500 fish from the lake and found 120 catfish, 85 bass, 220 bluegill, and 75 Northern Pike. At the 5% level of significance, can we show that the distribution of fish changed over the 5-year interval? State and test appropriate hypotheses. State conclusions.

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