[nabs-l] Locating a standard normal distribution table

[Gloria G]

Thank you
----- Original Message ----- 
From: "Arielle Silverman" <arielle71 at gmail.com>
To: "National Association of Blind Students mailing list" 
<nabs-l at nfbnet.org>
Sent: Wednesday, February 15, 2012 9:48 PM
Subject: Re: [nabs-l] Locating a standard normal distribution table


> Hi Angelina and all,
> If you'd like to have a Braille copy of the normal distribution, I
> agree with others' suggestions to contact APH. You can also write to
> Bookshare support and ask if that is something they have already
> prepared in Braille, or if they have Braille copies of any statistics
> textbooks which include the table. Getting a new stats textbook
> Brailled can take a while, but if it's already been done then you
> should be able to just request a copy. I will contact a friend of mine
> who works for BookShare and see if she knows anything about these
> tables because I am curious myself.
> However, as someone who has taken multiple stats courses I think for
> most class and real-world purposes, a Braille table is not necessary-I
> never had access to one. For almost all assignments you will only need
> either an electronic version of the table or a calculator to identify
> critical values. Excel can calculate critical values for the
> Z-statistic, which I think is what you are looking for. I don't know
> the formula offhand but if you go to the insert formula wizard and
> type in "normal distribution" you should be directed toward the right
> formula. Then, if you are asked to find the value that is, say, in the
> 63rd percentile, you can enter .63 into the formula and it will give
> you the number. If what you're doing is something other than
> Z-statistics, let me know and I'll see if there's an Excel formula for
> it. You can also simply type "normal distribution table" into Google
> and you should get tons of hits. If you use JAWS, you can use
> control-alt-arrow to move up, down, right, and left in the table.
> Failing all this, working with a reader is also an option.
> Best,
> Arielle
>
> On 2/15/12, Ashley Bramlett <bookwormahb at earthlink.net> wrote:
>> I have not had to read stats tables. But here is what I've done with a
>> reader for other tables.
>> Cindy,
>> You are right in that having a table with hundreds of cells in braille is
>> not practical.
>> What I do is find what I need to understand or look up. Example from
>> chemistry; say the table had columns listing chemicals, down the rows 
>> were
>> the chemical formulas. I would ask someone to read the column headings If
>> that was too much, I'd ask for a sampling or the main ones. Then I direct
>> them what row to read. Another way to find what you need in a table is to
>> have an electronic copy. Then just use the find command, control f, to 
>> find
>> it.
>> Ashley
>>
>> -----Original Message-----
>> From: Cindy Bennett
>> Sent: Wednesday, February 15, 2012 8:47 PM
>> To: National Association of Blind Students mailing list
>> Subject: Re: [nabs-l] Locating a standard normal distribution table
>>
>> I thikn it would be great to get your hands on tactile representations
>> of the distributions that the various significance tests create. I
>> took AP stats in high school, and was thus lucky enough to have my
>> textbook in braille with the tactile representations. Therefore, I
>> unfortunately cannot give you any informatoin as to where to find
>> these representations or brailled tables. My braille book also had the
>> tables you are speaking of, and I found that it was cumbersome and
>> that it took a lot of unnecessary time for me to navigate the tables.
>> I agree that it is important to have a strong grasp of the tables so
>> that you can tell a reader how to read the tables, but I feel that the
>> day to day time in statistics will be better spent understanding
>> concepts and working formulas than in perusing the tables. They are
>> huge tables with hundreds of values, and if you ever use statistics in
>> a job setting, you will undoubtedly do the computations on computer
>> software that will eliminate the need for tables anyway.
>>
>> Cindy
>>
>> On 2/14/12, Ashley Bramlett <bookwormahb at earthlink.net> wrote:
>>> try APH, www.aph.org
>>>
>>> -----Original Message-----
>>> From: Anjelina
>>> Sent: Tuesday, February 14, 2012 5:10 PM
>>> To: nabs-l at nfbnet.org
>>> Subject: [nabs-l] Locating a standard normal distribution table
>>>
>>> Good evening list,
>>> Does anyone know where I could find a Braille standard normal 
>>> distribution
>>> table?
>>> Thanks for any assistance.
>>>
>>> Anjelina
>>> _______________________________________________
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>>
>>
>> --
>> Cindy Bennett
>> B.A. Psychology, UNC Wilmington
>>
>> clb5590 at gmail.com
>> 828.989.5383
>>
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>
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