皮皮学，免费搜题
登录
搜题
【单选题】
现有一组数据:5、6、8、4、6、9、7,则其平均差和标准差分别为A.
平均差为1.45，标准差1.69
B.
平均差为1.35，标准差1.59
C.
平均差为1.45，标准差1.59
D.
平均差为1.35，标准差1.69
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】新陈代谢包括 和 两个方面。
【单选题】Paragraph 4: Question What does the author mean by “... the sun never set without my thanking God for...”?
A.
The author says that he never felt grateful to God for what he learnt from his talented and dedicated professors. Here he exaggerates to give comfort to the father.
B.
The author says that every day he felt grateful to God for what he learnt from his talented and dedicated professors. Here he exaggerates to give comfort to the father.
C.
The author says that every day he felt happy for what he learnt from his talented and dedicated professors. He shows his thankfulness every day and the sun never set.
【简答题】Passage A This is a significant moment in our public conversation on marriage. By ruling a key part of the Defense of Marriage Act unconstitutional and choosing not to rule on the question of same-...
【简答题】新陈代谢包括 和 两个过程。
【单选题】某食品厂为增值税一般纳税人,6月从小规模纳税人处购进免税农产品的收购凭证上注明收购价为30000元,支付运输公司运费6000元,并取得了运输公司开具的专用发票。根据规定,该食品厂准予抵扣的进项税额为( )元。
A.
2420
B.
3960
C.
3260
D.
3062
相关题目：
参考解析：
知识点：
题目纠错 0
发布
