anonymous
  • anonymous
Can someone please help me. see attachment.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
I'm sure some one asked the same question yesterday
anonymous
  • anonymous
yes me lol

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anonymous
  • anonymous
i thought i was doing it right but it says my answers are wrong.
anonymous
  • anonymous
So you have a way of checking your answer?
anonymous
  • anonymous
yah its a math lab. u put the answer in and it says if you're right or wrong.
anonymous
  • anonymous
Ok the last time i've done statistics is 5 years ago, so I will try and work out the answer, you tell me if it's right, then i will explain the method
anonymous
  • anonymous
ok! :)
anonymous
  • anonymous
try 0.5 and 2.4
anonymous
  • anonymous
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anonymous
  • anonymous
it says it's wrong.
anonymous
  • anonymous
To be honest to work out the confidence interval, the sample size must be >30, in this case you only have 9 specimens.
anonymous
  • anonymous
i'll find the example so maybe you can look at that. It's confusing to me.
anonymous
  • anonymous
I have to go at the moment, but I will be back in 3 hours if you haven't sorted this out by then i will help you
anonymous
  • anonymous
ok Thanks for the help. :)
anonymous
  • anonymous
@Bad2zBone this is how i guess it was supposed to be solved. lol it gave me a new question but it turned out to have the same exact answer.
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anonymous
  • anonymous
Well the reason my answers were incorrect is because i didn't round up the mean or the s.d. because that would affect the results. I used the same method as you presented.

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