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Thread: Dungeons & Dragons Premium Dice (D&D Accessory)

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    Dungeons & Dragons Premium Dice (D&D Accessory)

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    <table><tr><td valign="top"></td><td>Dungeons & Dragons Premium Dice (D&D Accessory) [Wizards of the Coast]
    Release Date: 2008-07-15
    Amazon Price: <strike>$12.95</strike> $10.36 as of 03/07/2008 09:41:44 AM PST
    Quote Originally Posted by Book Description
    Premium polyhedral dice for your D&D® game.

    This roleplaying game accessory includes a complete set of official dice for your Dungeons & Dragons® game. Use these dice to help decide your fate as you battle fearsome monsters, explore ancient dungeons, and claim magnificent treasure.

    This product contains a dice bag and a complete set of dice for use in the Dungeons & Dragons game: one 4-sided die, four 6-sided dice, one 8-sided die, one 10-sided die, one percentile die, one 12-sided die, and one 20-sided die.
    </td/</tr></table>

    <HR>Price is accurate as of the date/time indicated. Prices and product availability are subject to change. Any price displayed on the Amazon website at the time of purchase will govern the sale of this product. PLEASE KEEP IN MIND THAT SOME OF THE CONTENT THAT WE MAKE AVAILABLE TO YOU THROUGH THIS APPLICATION COMES FROM AMAZON WEB SERVICES. ALL SUCH CONTENT IS PROVIDED TO YOU "AS IS." THIS CONTENT AND YOUR USE OF IT ARE SUBJECT TO CHANGE AND/OR REMOVAL AT ANY TIME.<HR>

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    I got these dice from Amazon when I ordered my books. Recently, I read a comment to a blog post that, Historically, dice put out by WotC and earlier by TSR were unbalanced c.

    When I read that, I thought, Oh, s, are my dice? So, Ive been doing a lot of rolling, and here are my results:

    Start with the d4. In a perfect world, the average roll is 2.5, with a standard deviation of 1.12. I rolled mine 100 times, which gave an average roll of 2.51, with a standard deviation of 1.13.

    Next, the 4 d6s. In a perfect world, the average roll is 3.5, with a standard deviation of 1.71. I rolled mine 150 times each, which gave average rolls of 3.43, 3.29, 3.52, and 3.63, with standard deviations of 1.68, 1.60, 1.71, and 1.74, respectively.

    Then, the d8. In a perfect world, the average roll is 4.5, with a standard deviation of 2.29. I rolled mine 200 times, which gave an average roll of 4.68, with a standard deviation of 2.31.

    Next, the 2 d10s. In a perfect world, the average roll is 5.5, with a standard deviation of 2.87. I rolled mine 250 times each, which gave average rolls of 5.56 and 5.66, with standard deviations of 2.73 and 2.91, respectively.

    Then, the d12. In a perfect world, the average roll is 6.5, with a standard deviation of 3.45. I rolled mine 300 times, which gave an average roll of 6.20, with a standard deviation of 3.51 (I may need to test this one a bit more).

    Finally, the d20. In a perfect world, the average roll is 10.5, with a standard deviation of 5.77. I rolled mine 500 times, which gave an average roll of 10.46, with a standard deviation of 5.96.

    I was looking at the specific faces on the d20 that were rolling significantly above or below the average (in a perfect world, I would have rolled each number 25 times each), and interestingly, all the below average faces were in a band around the die (i.e., there were two hexagonal caps of 6 faces on opposite sides of the die that didnt have any faces that had come up less then 25 times each). I rolled the d20 250 more times, and some of the high and low rolling faces averaged out, but some of them increased. Interestingly, the two lowest faces were exactly opposite each other (10 and 11), and the highest rolling face was adjacent to the lowest rolling face (17 and 10, at 56 and 21 out of 750 rolls. However, the new numbers give a total average roll of 10.51 (very close to the standard of 10.5 for d20s), but with a standard deviation of 5.95 (not nearly as close as the standard of 5.77 for d20s). Basically, I rolled more high and low numbers, then I did middle rage numbers. I think I may have to roll it a whole lot more, and see if this trend continues, or if all averages out over time

    Does anybody know, is there any organization or group that tests dice for balance and quality?

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    Holy crap...!!!

    Thanks for all the work, tell me when your next batch of results come out.
    Well it looks like the dice are close to their averages, which is the best we can hope for unless we can roll them an infinite amount of times.

    I trust my dice a little more now, but why can't I roll a 20? lol

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    Quote Originally Posted by Chavic View Post
    Holy crap...!!!

    Thanks for all the work, tell me when your next batch of results come out.
    Well it looks like the dice are close to their averages, which is the best we can hope for unless we can roll them an infinite amount of times.

    I trust my dice a little more now, but why can't I roll a 20? lol

    I must second that, wow! You sir are truely dedicated to statistics.

    and as for dice, they are semi-intelligent constructs who have likes and dislikes of particular people. For instance, they will perform in a true random fasion for the dedicated statitian, but I can make a die roll the exact opposite of what's best simply by being in the general area. Cruel little buggers they are.

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    Arch Lich Thoth-Amon is offline Cursed by the Gods
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    You're hard-core, Shoukanjuu. You got my respect.

    Thoth-Amon

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    Quote Originally Posted by praksis View Post

    and as for dice, they are semi-intelligent constructs who have likes and dislikes of particular people. For instance, they will perform in a true random fasion for the dedicated statitian, but I can make a die roll the exact opposite of what's best simply by being in the general area. Cruel little buggers they are.
    Damn dice! oh I hope they didn't hear me....

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    An easier way to do that is to measure the sides of the dice with a micrometer. The truer the sides, the fairer the dice. Most gaming dice are from 3 to 5 thousandths out of true at the least. I have found those as much as 20 thousandths out as not uncommon. For comparison the d6s used in casinos are within 1 thousandths, verified by myself with my own tools.

    Other than good manufacturing quality (which I will not dispute) anything special about the looks?

    Garry AKA --Phoenix-- Rising above the Flames.
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    Wow, how long did it take to do all that rolling and figuring?
    Last edited by Farcaster; 09-04-2008 at 07:18 PM. Reason: Full quote of first post not needed.

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    Quote Originally Posted by tesral View Post
    Other than good manufacturing quality (which I will not dispute) anything special about the looks?
    Well, they dark blue: somewhere between a royal blue and midnight blue (but I wouldn't call it navy blue, either), with a pattern/quality that I would call "mother of pearl". Unlike some styles that I have seen, the variation in the pattern/coloring doesn't impact the readability of the dice, either. While I don't know what "premium" dice should really look like, I can at least say that these at least don't look chintzy.

    Quote Originally Posted by cplmac View Post
    Wow, how long did it take to do all that rolling and figuring?
    Um, I probably spent a couple of hours rolling dice, while listening to podcasts. Actually, I'm going to do another, smaller batch, with this online calculator that I found, that tells you if your results are in line with your expectations (it requires a minimum of 5 data points per possible outcome, so that would be a lot less then I used beforeunfortunately, I didn't save all my data from before, just the calculated results).

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    Buying officially licensed dice is like wiping your behind with your money.

    Dice are dice, buy the cheapest you can find in a color that you think looks cool.

    Shoot, from what I hear these don't even have standard fonts across the dice.

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    Arch Lich Thoth-Amon is offline Cursed by the Gods
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    Dice are dice are dice, in my book. But, in all fairness, some of my fellow players would completely disagree with me... so each his own.

    We all have our own unique idiocyncracies, myself included. Yep, i'm speaking from my glass house... not giving anyone reason to throw rocks. LOL

    Thoth-Amon
    Last edited by Arch Lich Thoth-Amon; 09-09-2008 at 03:09 PM.

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    Quote Originally Posted by Thoth-Amon View Post
    Dice are dice are dice, in my book. But, in all fairness, some of my fellow players would completely disagree with me... so each his own.

    We all have our own unique idiocyncracies, myself included. Yep, i'm speaking from my glass house... not giving anyone reason to throw rocks. LOL

    Thoth-Amon
    Diiiiiicccce.... (drool, drool)

    Yea, I'm a dice bunny. I like my dice.

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    I like dice too, but in this case, you're paying premium money for sub-par blue dice.

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    Quote Originally Posted by DeathByDM View Post
    Dice are dice, buy the cheapest you can find in a color that you think looks cool.

    Shoot, from what I hear these don't even have standard fonts across the dice.
    To the first point: since the cost of transporting myself to the nearest hobby shop would outweigh any savings to be gained... (I got the dice with books ordered from Amazon, so no shipping cost). Why is stuff like that always in the suburbs?

    And to the second point: Standard fonts? I never would have even thought to look, but you're quite right. I really can't imagine why they would even do that...

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    Quote Originally Posted by Shoukanjuu View Post
    And to the second point: Standard fonts? I never would have even thought to look, but you're quite right. I really can't imagine why they would even do that...
    Style? Don't know haven't seen a set.

    Garry AKA --Phoenix-- Rising above the Flames.
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