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Discrete quantitative data take separate numerical values.
If you count phone calls received in an hour, the result might be zero, one or two, but not one and a half calls. The value is numerical and the possible counts are separate. That makes it discrete quantitative data.
A measurement such as elapsed time is different: it can in principle take values between the marks you display, even if you round it to whole minutes. Asking whether a number is counted or measured helps you choose how to record and analyse it.
Three buses arrived during an hour. The count is 3; the waiting time for each bus might be 7.5 minutes.
A displayed decimal does not alone determine whether data are discrete or continuous; look at what is being recorded.
Introductory Statistics 2e — Data, Sampling, and Variation in Data and Sampling
OpenStax contributors · OpenStax, Rice University
CC BY 4.0. Rewritten as a self-contained explanation; the example and activity are Vakataka additions. No source images reproduced.
Source edition: 2024-12-16T15:08:45Z
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