Resource Library

Statistical Topic

Advanced Search | Displaying 51 - 60 of 153
  • This resource explains the t-distribution and hypothesis testing (informally) using an example on laptop quality.
    0
    No votes yet
  • This resource discusses sample sizes and how they are chosen.
    0
    No votes yet
  • This resource explains margin of error using an example on presidential popularity polls.
    0
    No votes yet
  • This resource defines and explains per capita rates using an example on city murder rates.
    0
    No votes yet
  • This resource defines and explains percent changes using an example on city murder rates.
    0
    No votes yet
  • This resource defines and explains the median using an example on employee salaries.
    0
    No votes yet
  • This resource defines and explains the arithmetic mean using an example on employee salaries.
    0
    No votes yet
  • This site provides an introduction to basic statistical concepts for journalists and writers with little math background. Key Words: Mean; Median; Percent Changes; Per capita; Rates; Standard Deviation; Normal Distribution; Margin of Error; Confidence Interval; Data Analysis; Sample Sizes; Statistical Tests; Student's T.
    0
    No votes yet
  • This dataset comes from two studies, one of 16 healthy young subjects and another of 14 healthy elderly subjects, each given a drug in two treatment periods. Blood samples were taken, and plasma levels were recorded. Questions from this study refer to whether age or gender affects plasma level. A text file version of the data is found in the relation link.
    0
    No votes yet
  • This dataset comes from a study of 14 healthy subjects given one dose of a drug for seven days. Blood samples were taken before and after treatment, and plasma levels were recorded. Questions from this study refer to the increase in plasma level after treatment. A text file version of the data is found in the relation link.
    0
    No votes yet

Pages

register