Method: Scatterplot

Methods: Scatterplot, Regression, Correlation,
Topics: Health,
Datafile Name: Age and Height
Abstract:

The height of a child is not stable but increases over time. Since the pattern of growth varies from child to child, one way to understand the general growth pattern is by using the average of several children's heights, as presented in this data set. The scatterplot of height versus age is a...

Methods: Correlation, Dummy Variable, Outlier, Regression, Scatterplot,
Topics: Consumer, Health,
Datafile Name: Alcohol and Tobacco
Abstract:

Data from a British government survey of household spending may be used to examine the relationship between household spending on tobacco products and alcholic beverages. A scatterplot of spending on alcohol vs. spending on tobacco in the 11 regions of Great Britain shows an overall positive line...

Methods: Regression, Scatterplot, Boxplot,
Topics:
Datafile Name:
Abstract:

American League baseball teams play their games with the designated hitter rule, meaning that piutchers do not bat. The League believes that replacing the pitcher, typically a weak hitter, with another player in the batting order produces more runs and gnerates more interet among fans. Is there e...

Methods: Scatterplot, Time Series,
Topics: Social Science,
Datafile Name: Birthrates
Abstract:

This dataset lists the number of live births per 10,000 23-year-old women in the United States between 1917 and 1975. A scatterplot of birthrate against year shows a strong pattern in the birthrate over time. The birthrate fell sharply during the 1920s, bottomed out during the Depression, rose ra...

Methods: Correlation, Regression, Scatterplot,
Topics: Health, Psychology,
Datafile Name: Brain size
Abstract:

Are the size and weight of your brain indicators of your mental capacity? In this study by Willerman et al. (1991) the researchers use Magnetic Resonance Imaging (MRI) to determine the brain size of the subjects. The researchers take into account gender and body size to draw conclusions about the...

Methods: Regression, Outlier, Scatterplot,
Topics: Health, Medical,
Datafile Name: Breast Cancer
Abstract:

In a 1965 report, Lea discussed the relationship between mean annual temperature and the mortality rate for a type of breast cancer in women. The subjects were residents of certain regions of Great Britain, Norway, and Sweden. A simple regression of mortality index on temperature shows a strong p...

Methods: Assumptions, Regression, Diagnostics, Simple Linear Regression, Scatterplot,
Topics: Science,
Datafile Name: Chromatography
Abstract:

Results of a study of gas chromatography, a technique which is used to detect very small amounts of a substance. Five measurements were taken for each of four specimens containing different amounts of the substance. The amount of the substance in each specimen was determined before the experiment...

Methods: Boxplot, Correlation, Scatterplot, Smoothing,
Topics: Government,
Datafile Name: Draft Lottery
Abstract:

In 1970, Congress instituted a random selection process for the military draft. All 366 possible birth dates were placed in plastic capsules in a rotating drum and were selected one by one. The first date drawn from the drum received draft number one and eligible men born on that date were drafte...

Methods: ANCOVA, ANOVA, Scatterplot,
Topics: Economics, Education,
Datafile Name: Educational Spending
Abstract:

Average salary paid to teachers and expenditures per pupil are two commonly used measures of the amount of money spent on education. Data on these two measures are provided by state, and states are classified by region of the country. The two measures have slightly skewed distributions, and Alask...

Methods: Scatterplot, Time Series,
Topics: Education,
Datafile Name: Graduation
Abstract:

The percentage of each entering Freshman class that graduated on time was recorded for each of six colleges at a major university over a period of several years. One can find trends over time, consistent differences among colleges, and changes in the relative graduation rates over the time observ...

Methods: Outlier, Regression, Polynomial Regression, Scatterplot,
Topics: Sports,
Datafile Name: Hitters 1920 -1950
Abstract: In 1954 Branch Rickey wrote an article for Life Magazine entitled Goodbye to some old baseball ideas. He criticized some traditional baseball statistics and proposed some of his own that he thought more useful. For individual hitting Rickey proposed the sum of on-base average (OBA) and ex...
Methods: Histogram, Scatterplot, Regression,
Topics: Nutrition, Health,
Datafile Name: Cereals
Abstract:

This datafile contains nutritional information and grocery shelf location for 77 breakfast cereals. Current research states that adults should consume no more than 30% of their calories in the form of fat, they need about 50 grams (women) or 63 grams (men) of protein daily, and should provide for...

Methods: Scatterplot, Regression, Outlier,
Topics: Sports,
Datafile Name: Olympic Gold
Abstract:

This dataset contains the gold medal performances in the men's long jump, high jump and discus throw for the modern Olympic games from 1900 to 1984. Data are also provided for the 1896 Olympics, but one may wish to omit them from the analyses because that Olympics was quite different from lat...

Methods: Scatterplot, Time Series, Transformation,
Topics: Economics, Energy,
Datafile Name: Oil Production
Abstract:

The increase in annual world crude oil production from 1880 to 1973 follows a pattern of exponential growth. In order to fit a linear model to these data, the oil production variable must be transformed by taking the natural log. A scatterplot of the log of oil production vs. year follows a strai...

Methods: Time Series, Regression, Scatterplot,
Topics: Sports,
Datafile Name: Olympic Gold
Abstract:

This dataset contains the gold medal performances in the men's long jump, high jump and discus for the modern Olympic games from 1900 to 1984. Data are provided for the 1896 Olympics, but one may wish to omit them from the analyses.

Regressions and scatterplots of performance variab...

Methods: Boxplot, Scatterplot, Outlier,
Topics: Education, Economics,
Datafile Name: Faculty Salaries
Abstract:

A faculty salary study was done at The Ohio State University to compare faculty salaries with those at other universities. Data were collected from the Association of American Universities. The overall average salary for OSU was obtained by computing the weighted average of salaries at each facul...

Methods: Correlation, Regression, Scatterplot,
Topics: Health, Medical,
Datafile Name: Smoking and Cancer
Abstract:

Government statisticians in England conducted a study of the relationship between smoking and lung cancer. The data concern 25 occupational groups and are condensed from data on thousands of individual men. The explanatory variable is the number of cigarettes smoked per day by men in each occupat...

Methods: Dummy Variable, Regression, Scatterplot,
Topics: Government,
Datafile Name: Votes
Abstract:

The "Votes" dataset contains the percent of the popular vote that was won by the Democratic presidential candidates in the 1980 and 1984 elections. Both candidates, Jimmy Carter in 1980 and Walter Mondale in 1984, were defeated by the Republican Ronald Reagan. (In 1980 an independent ca...

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