The table above shows the number of employees at each of four salary levels at Company X. What is the average (arithmetic mean) salary for the 20 employees?
• A$23,500 • B$23,750
• C$23,900 • D$24,125
• E\$24,250

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• 所属科目:数学PS
• 题目来源1:OG12-5
• 正确率: 91%
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