Given is the following distribution of two variables x and y:
| x : | 1 | 2 | 3 | 4 | 5 |
| y : | 3 | 4 | 5 | 6 | 7 |
A. Same as standard deviation of x
B. (the standard deviation of x) × 2
C. (the standard deviation of x) + 2
D. (the standard deviation of x) - 2
Answer: Option A

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