This is saying...
What phrase is true about life in paraguay?
Answer:
C) Tan
Explanation:
It makes sense, tiene sentido. The other ones just don't fit in the sentence, they make it soind weird.
The first one would be correct.
To answer your question, The standard deviation is a measure of the spread of scores within a set of data.
And example of this is in the picture below.
Hope this helps!!