问题
单项选择题
Use the results from the following survey of 500 firms to answer the question.()
A.50
B.150
C.100
答案
参考答案:C
解析:
Max of interval - Min of interval=100.
Use the results from the following survey of 500 firms to answer the question.()
A.50
B.150
C.100
参考答案:C
解析:
Max of interval - Min of interval=100.