Miss Natalia

(14)

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About Miss Natalia

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Teaching Since: Apr 2017
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Education

  • Doctor of Education in Educational Leadership with a Specialization in Educational Technology
    Phoniex University
    Oct-1999 - Nov-2005

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  • HR Executive
    a21, Inc.
    Nov-1998 - Dec-2005

Category > Math Posted 09 Jun 2017 My Price 6.00

If the researchers wanted to be 98% confident, would their confidence interval be wider or narrower?

  1. Global Warming  In April 2011, a Yale/George Mason poll of 1010 US adults found that 40% of the people responding believed that scientists disagreed about whether global warming exists.  They reported a 95% confidence interval of 37% to 43%.  

    1. What was the study’s margin of error?

    2. If the researchers  wanted to be 98% confident, would their confidence interval be wider or narrower?

    3. If the researcher wanted to reduce the margin of error, would they need to make their level of confidence higher or lower?

If the researchers had polled more people, would the interval’s margin of error have been larger or smaller?

Answers

Miss Natalia
(14)
Status NEW Posted 09 Jun 2017 09:06 AM My Price 6.00

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