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Books > Science & Math > Earth Sciences > B00831TRPC
  1. CK-12 Probability and Statistics - Basic (a Short Course)
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  2. CK-12 Probability and Statistics - Basic (a Short Course)

    [B00831TRPC]
    Delivery: 10-20 Working Days
    Customer Ratings (63 reviews)
    Not Available / Digital Item

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Specifications

Country
USA
Author
CK-12 Foundation
Binding
Kindle Edition
EISBN
9781935983743
Format
Kindle eBook
Label
CK-12 Foundation
Manufacturer
CK-12 Foundation
NumberOfPages
164
PublicationDate
2012-05-13
Publisher
CK-12 Foundation
ReleaseDate
2012-05-13
Studio
CK-12 Foundation
Most Helpful Customer Reviews

8 kids cheated on their math test and 6 kids cheated on their science test. 3 kids are simutaneously sitting in both classes making fun of the teachers (think, Hermione and her little time-travel toy). Based on this information, draw a Venn Diagram that includes the number of kids that both are and are not currently throwing darts at their gym teacher.

Seriously, the Venn diagram example at the end of the first lesson is layered with horribleness. Errors, withheld information, and a fundamental misunderstanding of the concept.

I realize these books are free, and to an extent I can appreciate that. But if an author has not mastered the subject (and in fact misunderstands some of its basic concepts), that author should not be author of a textbook on that subject, no matter the price.

I did not bother to get past the first lesson because the first lesson was fundamentally flawed, and if I can't trust that a book has the basic fundamentals right, I... Read more
First, full disclosure -- My review is based on the first lesson only -- I put this ebook down after one "lesson" it was so bad... The page layout is clean and that gives a (false) impression of competence but after only a few pages it becomes obvious that this book is complete crap. I honestly wonder on what the positive reviewers could have based their opinions; they can't have been working carefully. I once made my living writing and editing exactly this kind of educational material (and no I'm not selling my antiquated work in this review) -- I'm saying I'm professionally familiar with this kind of teaching text. I've seen material this dreadful published before and rather than bore you with my theories of why, how and by whom this stuff gets made, let me just say: I know that when a first lesson contains gross errors in fact and fails at the most basic levels of organization you can be sure the rest of the text isn't going to miraculously improve.

For example: a main... Read more
On the plus side, the book...

- Is free (a big plus).
- Presents probability and statistics by using very real-world examples.
- Is written in a very comprehensible language that probably even an elementary school level student would understand.
- Takes a very hands-on approach and contains plenty of examples along with solutions.
- Contains also steps one can take to solve each problem using a Texas Instruments calculator.
- The book is relatively entertaining to read.

On the minus side:

- The book is rife with errors.
- ...and the errors are not just numerical errors like incorrect values of the solutions to review questions...
- ...the errors are sometimes even grave errors in mathematical notation, for example the sum sign is used totally incorrectly.
- At least on my Kindle 3G, the formatting just falls apart. So that for instance numbering of review questions doesn't match numbering of... Read more
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