Topic: Health

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: Regression, Time Series, Dummy Variable,
Topics: Automotive, Government, Health,
Datafile Name: Albuquerque Batmobile
Abstract:

In April 1979 the Albuquerque Police Department began a special enforcement program aimed at reducing DWI accidents. The program consisted of a squad of police officers who manned a van which housed a Breath Alcohol Testing (BAT) device. The data collected to evaluate the program consisted of a q...

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: 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: Pooled T-Test, Two Sample T-Test, ANOVA,
Topics: Health, Medical,
Datafile Name: Calcium
Abstract:

Does increasing calcium intake reduce blood pressure? Observational studies suggest that there is a link, and that it is strongest in African-American men. Twenty-one African-American men participated in an experiment to test this hypothesis. Ten of the men took a calcium supplement for 12 weeks ...

Methods: ANCOVA, ANOVA, Transformation,
Topics: Engineering, Health,
Datafile Name: Crash
Abstract:

Stock automobiles containing dummies in the driver and front passenger seats crashed into a wall at 35 miles per hour. National Transportation Safety Board officials collected information how the crash affected the dummies. The injury variables describe the extent of head injuries, chest decelera...

Methods: Proportion,
Topics: Education, Health, Medical,
Datafile Name: Nurses
Abstract:

Friedland, Joffe, Moore, et al. (1992) conducted an experiment to see how an educational program on the importance of using gloves affected the rate of glove use by a group of nurses in an inner-city pediatric hospital emergency department. The participants in the study were all 23 members of the...

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: ANOVA, Boxplot,
Topics: Health,
Datafile Name: Hearing
Abstract:

Hearing aids must be fit individually. A common way to test whether a particular hearing aid is right for a patient is to play a tape on which 25 words are pronounced clearly but at low volume, and ask the patient to repeat the words as heard. Different lists are available that are supposed to be...

Methods: Contingency Table, Chi Square Test,
Topics: Health,
Datafile Name: Fiber
Abstract:

A manufacturer was considering marketing crackers high in a certain kind of edible fiber as a dieting aid. Dieters would consume some crackers before a meal, filling their stomachs so that they would feel less hungry and eat less. A laboratory studied whether people would in fact eat less in this...

Methods: Regression, Transformation,
Topics: Health, Biology,
Datafile Name: Mercury in Bass
Abstract:

Mercury contamination of edible freshwater fish poses a direct threat to our health. Largemouth bass were studied in 53 different Florida lakes to examine the factors that influence the level of mercury contamination. Water samples were collected from the surface of the middle of each lake in Aug...

Methods: T-test, Outlier, Boxplot, Mann Whitney U Test, Summary Statistics,
Topics: Health, Medical,
Datafile Name: Nursing Home Data
Abstract:

Acorn is the acronym for Association of Community Organizations for Reform Now.
These data were presented by Acorn to a Joint Congressional Hearing on discri-
mination in lending.  Acorn concluded that "banks generally have exhibited a per-
vasive pattern of lending...

Methods: Cluster Analysis, Principal Components,
Topics: Europe, Health, Nutrition,
Datafile Name: Protein
Abstract:

These data measure protein consumption in twenty-five European countries for nine food groups. It is possible to use multivariate methods to determine whether there are groupings of countries and whether meat consumption is related to that of other foods.

A complete linkage cluster anal...

Methods: Regression, Time Series,
Topics: Economics, Health,
Datafile Name: Emerald
Abstract:

The Emerald datafile provides the Consumer Price Index (CPI) for all urban consumers, the medical component of the CPI, and the claim costs of the Emerald health care plan for the years 1986 to 1992. The Emerald health care providers claim that the cost of their plan has risen more slowly than ov...

Methods: Outlier, Regression, Residuals, Transformation, Nonlinear Regression, Dummy Variable,
Topics: Health, Medical, Social Science,
Datafile Name: Smoking and Cancer
Abstract:

Nevada and the District of Columbia are outliers in the distribution of cigarette consumption (sale) per capita by states in 1960. How the most extreme observa- tion, Nevada, should be handled in the regressions of various cancer death rates on cigarette consumption, however, varies. In addition,...

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: ANOVA, Experimental Design,
Topics: Health,
Datafile Name: Stepping
Abstract:

Students at The Ohio State University conducted an experiment to explore the effect of two factors, step height and rate of stepping, on the subject's heart rate. They tested the effects of two different step heights crossed with three different stepping speeds, for a total of 6 different tre...

Methods: Regression, Residuals, Time Series,
Topics: Government, Health,
Datafile Name: U.S. and New Mexico Highway Deaths
Abstract:

The graph below suggests that the New Mexico highway fatality rate is highly related to the U.S. fatality rate. Other aspects need to be considered, however. Among these are the lagged New Mexico rate and the lagged U.S. rate, and perhaps time itself. Whatever model is finally adopted, the residu...

Contact Us


© 2017 Data Description, inc. All rights reserved.