Answer:
C. All of the data values are identical.
Step-by-step explanation:
If the standard deviation for a set of data is 0, then all of the data values are identical.
When a standard deviation is 0, then the variance is also 0 and the mean of the deviation that is squared is also 0, thereby making all the values identical to the mean, that is 0.
9514 1404 393
Answer:
x = 0
Step-by-step explanation:
It can help to keep a graph of the cosine function in mind. It starts off at its maximum value at x = 0.
Each side of a triangle has to be shorter than the sum of the other 2. The only possible answer is b: 3,5,7 (7<5+3)
Answer:
64
Step-by-step explanation:
Answer:
-1
Step-by-step explanation:
2x-y+7
Let x = -5 and y = -2
2(-5) -(-2) +7
-10 +2 +7
-10 +9
-1