问题如下：
The table below shows the monthly stock returns of Ivy Corp.
According to the above table,calculate the mode of Ivy Corp. returns?
选项：
A. 7.7%.
B. 8.0%.
C. 12.0%.
解释：
C is correct
The mode is the value appearing most frequently. In this case, 12% appears twice while other observations appear once only, thus 12% is the mode.
老师好，不是很理解，这道题为什么要求众数？
