Do you mean xy instead of sy if so i’m pretty sure you would just multiply both of the numbers
Answer:
67
Step-by-step explanation:
Mean is the average
Add up all the values and divide by the numbers there are.
In this case, divide by 9.
Answer:
Yes
Step-by-step explanation:
Answer:So that's the change in Y. Now notice that X is increasing. By one unit each time. So we can calculate the slope. The slope is the change in Y divided by the change in X
Step-by-step explanation:
Answer:
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Step-by-step explanation:
