Excerpt: A statistics professor at a large university polled his students to find out what their majors were and what position they held in the family birth order. The results are summarized in the table.
Excerpt: Births per 1000 population in the United States, starting in 1965. There has been concern that the birthrate may be declining. A good model for tends in birthrate may allow for some prediction.
Excerpt: Does blood pressure, on average, change with age. The data here are two categorical variables: Blood pressure categorized as High, Normal, Low, and Age categorized as under 30, 30-49, and over 50.
Methods: Multiple Regression, Hypothesis Tests for Means, Regression, Data Display, Hypothesis Tests, Normal Probability Plots, Tables, Confidence Intervals for Proportions, Confidence Intervals for Means
Source: BYU Human Performance Research Center
Director: Mark Ricard
116A RB, (801) 378-8958
Number of Cases: 250
Excerpt: Measurements of 250 men of various ages. The percent of a man’s body that is fat is a matter of concern for health and fitness. But the %bodyfat is difficult and expensive to measure accurately. These data offer correct %bodyfat measurements along with a variety of easier to find measures. Can you build a model […]
Excerpt: You have decided to invest in a bond fund and plan to limit your choice of funds to Morningstar “medalist” funds. But now you must choose between a taxable fund and a municipal bond fund that is at least partially tax-free. Which is better? Here are the % returns for the three-year period leading up […]
Excerpt: Scientist Robert Boyle examined the relationship between the volume in which a gas is contained and the pressure in its container. He used a cylindrical container with a moveable top that could be raised or lowered to change the volume. He measured the Height in inches by counting equally spaced marks on the cylinder, and […]
Excerpt: A group of female college students took a test that measured their verbal IQs and also underwent an MRI scan to measure the size of their brains (in 1000s of pixels).
How To Use
The Open in Data Desk function is integrated into the latest releases of Data Description's data exploration suite, Data Desk, available for Windows 10 and Mac OS X. To learn more, please visit Data Description.