At the factory 16% of the pens were defective. If there are 75 pens ,how many are defective?
1 answer:
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To find the mean of a set, add up all of the numbers and divide by how many numbers you have. For the first set:
For the second set:
To find the mean absolute deviation, (MAD) find the mean of the distances of each number from the mean.
For the first set:
For the second set:
Note that when you only have two data points the mean is directly between them, which is why the distances are the same.
The means-to-MAD ratio is simply that, divide one by the other and that's it.
For the first set:
For the second set:
For the second set:
To find the mean absolute deviation, (MAD) find the mean of the distances of each number from the mean.
For the first set:
For the second set:
Note that when you only have two data points the mean is directly between them, which is why the distances are the same.
The means-to-MAD ratio is simply that, divide one by the other and that's it.
For the first set:
For the second set:
<u>Given</u><u>:</u><u>-</u>
- f(x) = x²
<u>Evaluation</u><u>:</u><u>-</u>
e).
==> f(x) = x²
So,
==> f(3x) = (3x)² = 9x²
f).
==> f(x/2) = (x/2)² = x²/4
g).
==> 3f(x) = 3x²
h).
==> 2f(x-1)+5 = 2(x-1)²+5 = 2(x² + 1 - 2x ) + 5
= 5x² + 5 - 10x + 5
= 5x² - 10x + 10