Answer:
See explaination
Step-by-step explanation:
We can define standard deviation in statistics as a measure of the amount of variation or dispersion of a set of values. A low standard deviation indicates that the values tend to be close to the mean of the set, while a high standard deviation indicates that the values are spread out over a wider range.
See attachment for the step by step solution
Right triangle because a2<span> + b</span>2<span> = c</span><span>2</span>
-4/3
Explanation: All parallel lines have the same slope