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MatroZZZ [7]
3 years ago
7

Teresa drew a quadrilateral that had 4 sides of equal length and no right angels. What shape did she draw

Mathematics
1 answer:
Zolol [24]3 years ago
5 0
Teresa drew a rhombus!
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Researchers working the mean weight of a random sample of 800 carry-on bags to e the airline. Which of the following best descri
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Answer:

(E) The bias will decrease and the variance will decrease.

Step-by-step explanation:

Given that researchers working the mean weight of a random sample of 800 carry-on bags to e the airline.

We have to find out the effect of increasing the sample size on variance and bias.

We know as per central limit theorem, sample mean follows a normal distribution with mean = sample mean

and std deviation of sample mean = std error = \frac{std dev}{\sqrt{n} }

Thus std error the square root of variance is inversely proportional to the square root of sample size.

Also whenever we increase sample size the chances of bias would decrease as the sample size becomes larger

So correct answer is both bias and variation will decrease.

(E) The bias will decrease and the variance will decrease.

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3 years ago
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The answer is A
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NeTakaya
Kite Area = (Diagonal 1 * Diagonal 2) / 2
Diagonal 2 = 2 * Kite Area / Diagonal 1
Diagonal 2 =2 * 60 / 15
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Step-by-step explanation:

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