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nalin [4]
3 years ago
12

Could you possibly figure this out for me​

Mathematics
1 answer:
damaskus [11]3 years ago
8 0

Answer:

88

Step-by-step explanation:

i used 1980 and 1985. I subtracted 42.1 by 33.4, got 8.7, divided that by 5 since theres been 5 years since, then multiplied by 6 since theres a 6 year difference from 2005 and 2011, then added them.

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Step-by-step explanation:


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the standard deviation of 100 random samples of the same size is approximated to be 0.98. what is the margin of error​
pogonyaev

Answer:

MOE= ± 0.098

Step-by-step explanation:

-The margin of error is calculated using the formula:

MOE=\pm \frac{\sigma}{\sqrt{n}}

#Substitute to solve for MOE:

MOE=\pm \frac{\sigma}{\sqrt{n}}\\\\=\frac{0.98}{\sqrt{100}}\\\\=\pm 0.098

Hence, the margin of error is ± 0.098

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