Answer:
I believe it is proportional.
Step-by-step explanation:
The numbers are going up by an equal amount each time. I am very sorry if it ends up wrong, but I think it is correct.
Answer:To calculate the standard deviation of those numbers:
1.Work out the Mean (the simple average of the numbers)
2.Then for each number: subtract the Mean and square the result.
3.Then work out the mean of those squared differences.
4.Take the square root of that and we are done!
Step-by-step explanation:
Answer:
#1
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Answer:
10y-30
Step-by-step explanation:
10*1y=10y
-3*10=-30
10y-30