Rubber Baby Buggy Bumper Manufacturing Company has only three employees. Their salaries are $25,000, $30,000, and $35,000 per year. If each employee were to receive a $2,000 raise, how would this affect the standard deviation of these salaries?
A. This change would not affect the standard deviation of these salaries.
B. The standard deviation of these salaries becomes $1,000 bigger.
C. The standard deviation of these salaries becomes $2,000 bigger.
D. The standard deviation of these salaries becomes $667 less.
E. The standard deviation of these salaries becomes $2,000 less.
Answer: A
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