Answer:
- import math
-
- def standard_deviation(aList):
- sum = 0
- for x in aList:
- sum += x
-
- mean = sum / float(len(aList))
-
- sumDe = 0
-
- for x in aList:
- sumDe += (x - mean) * (x - mean)
-
- variance = sumDe / float(len(aList))
- SD = math.sqrt(variance)
-
- return SD
-
- print(standard_deviation([3,6, 7, 9, 12, 17]))
Explanation:
The solution code is written in Python 3.
Firstly, we need to import math module (Line 1).
Next, create a function standard_deviation that takes one input parameter, which is a list (Line 3). In the function, calculate the mean for the value in the input list (Line 4-8). Next, use the mean to calculate the variance (Line 10-15). Next, use sqrt method from math module to get the square root of variance and this will result in standard deviation (Line 16). At last, return the standard deviation (Line 18).
We can test the function using a sample list (Line 20) and we shall get 4.509249752822894
If we pass an empty list, a ZeroDivisionError exception will be raised.
Answer:
100 or so atoms of the periodic table, in different combinations, make up <u>Compounds</u>.
Explanation:
Atoms from different element in the periodic table combined together with the help of bond and make a new product that is called compound.
<u>For example</u>
Hydrogen and oxygen are the elements of the periodic table. When one atom of oxygen and two atoms of hydrogen are combined together, a compound will be formed named as water (H20).
In another example, two atoms of oxygen and one atom of carbon combines toghther through chemical reaction and make compund named as Carbon dioxide (CO2).
Answer:
Option (E) is the correct answer to the following question.
Explanation:
Because it helps AFLAC Inc. company to run their project in a more easier way and it also helps its employees to work fast on their new IT projects by installing a WiFi network in their ALFAC inc. branch office. So, that's why they have to install a wireless network.
And the other option is not applied because these activities have to be done in all projects if the project is important either not.
Answer:
Rotation of an image
Explanation:
The correct answer is - Rotation of an image
Reason -
When you rotate an object, it moves left or right around an axis and keeps the same face toward you.
When you flip an object, the object turns over, either vertically or horizontally, so that the object is now a mirror image.
