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enyata [817]
2 years ago
15

4000 + 12 343 x 2 =(A)

Mathematics
1 answer:
Vikentia [17]2 years ago
7 0

Answer:

12,686

Step-by-step explanation:

add both numbers up then multiply by 2

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The researcher has limited resources. He sends 9 emails from a Latino name, and 14 emails from a non-Latino name. For the Latino
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Step-by-step explanation:

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SE.=\sqrt{\dfrac{\sigma_1^2}{n_1}+\dfrac{\sigma^2_2}{n_2}}

where , \sigma_1 = Standard deviation for sample 1.

n_1= Size of sample 1.

\sigma_2 = Standard deviation for sample 2.

n_2= Size of sample 2.

Let the sample of Latino name is first and non -Latino is second.

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\sigma_2=101

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The standard error for the difference in means will be :

SE.=\sqrt{\dfrac{(82)^2}{9}+\dfrac{(101)^2}{14}}

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SE.=\sqrt{747.111111111+728.642857143}

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3 0
2 years ago
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