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OpenIntroStat
📚 An open-source textbook written at the college level. OpenIntro also offers a second college-level intro stat textbook and also a high school variant.
The answer to exercise 3.15(f) appears to be for the modified question. The current question appears to require one to combine the "no warming" and "don't know" columns, which is...
The final PDF document is difficult to navigating on common document readers and tablet software. The table of content only includes chapters and not the corresponding subsections. I've tried Amazon's...
In IMS we're using residuals vs. predicted. In multiple regression chapters of this book we're also using residuals vs. predicted. We should use those (as opposed to residuals vs. x)...
Hi all, I'm a college instructor and teach courses in statistics for social science. I have a specific question about pedagogy and ordering of topics in an intro statistics textbook...
https://github.com/OpenIntroStat/openintro-statistics/blob/627e3852eb04c3a8413501c1eccf1ad9b38f2c0c/ch_inference_for_means/TeX/ch_inference_for_means.tex#L3151 This should say three groups
It is unclear whether the question is asking expected value of all transistors produced or expected value of all non-defective transistors (before the first defective one).
The provenance of some of the random samples of Cherry Blossom data are iffy. In the next round of edits let's use the datasets from 📦 [cherryblossom](https://github.com/openintrostat/cherryblossom) and add any...
updated this code to reflect the changed format from the `toy_anova` to `toy.anova` data set in the openitnro package version 1.7.1 so the pdf image could be reproduced. I also...
The exercise here: https://github.com/OpenIntroStat/openintro-statistics/blob/master/ch_summarizing_data/TeX/review_exercises.tex#L5 has a solution here: https://github.com/OpenIntroStat/openintro-statistics/blob/70b58fc14b3218796d30df8bd0882c4654f775cc/extraTeX/eoceSolutions/eoceSolutions.tex#L381 But the justification is incorrect. The update equation for the unbiased sample variance, supposing `n-1` old measurements, and given the mean...
… I tried calculating probability models based on P(Y) in the final row in the practice excercise 3.31 and it doesn't line up with the answer provided however, doing so...
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📚 An open-source textbook written at the college level. OpenIntro also offers a second college-level intro stat textbook and also a high school variant.