Answer:
Standard deviation is a number used to tell how measurements for a group are spread out from the average (mean), or expected value. A low standard deviation means that most of the numbers are close to the average. A high standard deviation means that the numbers are more spread out.
Step-by-step explanation:
Scatter plots are an awesome way to display two-variable data (that is, data with only two variables<span>) and make predictions based on the data.</span>
Answer:
-9.375
Step-by-step explanation:
2 1/2 x (-3 3/4) = -9.375
Answer:
Solution is x=-3 and x =1, because that is zero od function y=-x^2-2x+3
