An analyst constructs a histogram and frequency polygon of monthly returns for aggressive equity funds over a 20-year period. Which of the following statements about a histogram or a frequency polygon is FALSE（）

A. Both a histogram and a frequency polygon provide a graphical display of data found in a frequency distribution on.

B. A frequency polygon is a bar chart of continuous data that have been grouped into a frequency distribution.

C. The height of each bar in a histogram represents the absolute frequency for each return interval.

以下金库副主任职责描述错误的是（）。

A.负责制订本行的金库管理细则。

B.负责组织实施与本行金库业务有关的账务核算，确保账务核算的准确、规范。

C.负责对非库房管理人员出入库进行审批。

D.负责对库房管理、金库库存及业务流程合规性进行检查