AIDS | This shows the total number of cases of AIDS in the USA in 4 month intervals from 1982. | Increasing, Concave Up |
BACTERIA | This shows the growth of a bacterial colony as a function of time. | Increasing, Sigmoidal |
BEANS | Beans were placed in a styrofoam cup, covered them lightly with soil, and watered regularly. On the tenth day sprouts emerged. This shows the height as a function of time. | Increasing, Sigmoidal |
BOMBAY | The total number of deaths in Bombay from a plague spread by rats during the period December 1905 to July 1906. | Increasing, Sigmoidal |
BOSTON | The population density of Boston in 1940 as a function of the distance from the city center. | Decreasing, Concave Up |
BOTSWANA | This shows the population of Botswana from 1975 to 1990. | Increasing, Concave Up |
CYNTHIA | Cynthia's approximate height from age 1 to age 12. | Increasing, Concave Down |
DIOXIDE | This shows the decomposition of Nitrogen Dioxide as a function of time. | Decreasing, Concave Up |
DOVES | This shows the population of the collared dove as it spread throughout Britain from 1955 to 1964. | Increasing, Concave Up |
DRUGS | This shows the concentration of theophylline in the blood stream as a function of time after injection of an initial dose. | Decreasing, Concave Up |
DUCKWEED | This shows the results of an experiment in which Duckweed fronds - large compound leaves - were counted every week. | Increasing, Concave Up |
FLOWER | This shows the height of sunflower plants as a function of time. | Increasing, Sigmoidal |
HALFLIFE | This shows the decay of the 64Cu isotope as a function of time. | Decreasing, Concave Up |
HOUSTON | This shows the population of Houston from 1850 to 1980. | Increasing, Concave Up |
LUPINE | This shows the growth of a Lupine from day 4 to day 21. | Increasing, Sigmoidal |
MIGRANTS | This shows the number of migrants remaining in the US as a function of the number of years of their US experience. | Decreasing, Concave Up |
MILE | The table shows the year when the men's world record for the mile was broken this century, and the time for the mile. | Increasing, Linear |
NITRO | This shows the decomposition of Ethyl m-Nitrobenzoate as a function of time. | Decreasing, Concave Up |
PEROXIDE | This shows the decomposition of Hydrogen Peroxide as a function of time. | Decreasing, Concave Up |
PLANT | This shows the total area of the leaves of a plant as a function of time. | Increasing, Sigmoidal |
RATS | In this experiment 144 seven month old rats were observed over a period of 30 months. The total number that died was recorded every month | Increasing, Sigmoidal |
SUCROSE | This shows the decrease in the concentration of Sucrose as a function of time when it is hydrolyzed by the catalytic action of the enzyme Sucrase. | Decreasing, Concave Up |
URUGUAY | In 1961 fertilized grass-legume pastures were introduced into Uruguay. This shows the total number of ranchers who adopted this new technology from 1965 to 1976. | Increasing, Sigmoidal |
WARM | This shows the rise in temperature of the earth from the 1860 figure as a function of time since 1900. | Increasing, Concave Down |
WATER | A container was allowed to drain through a small hole in the side. The height of the water was recorded as a function of time. | Decreasing, Concave Up |
WORLDPOP | This shows the world population from 1650 to 1990. | Increasing, Concave Up |
YEAST | This shows the amount of yeast as a function of time. | Increasing, Sigmoidal |