signed rank test

例句：

1. 1. The company conducted a signed rank test to evaluate the effectiveness of their new marketing strategy.
   该公司进行了一项签名排名测试，以评估其新营销策略的有效性。
2. 2. During the signing ceremony, the representatives signed a contract with the client.
   在签约仪式上，代表们与客户签署了合同。
3. 3. The team completed the signed rank test and presented their findings to the management.
   团队完成了签名排名测试，并将结果提交给了管理层。