皮皮学，免费搜题
登录
搜题
【单选题】
据 16 名男大学生的身高 (X) 与肺活量 (Y) 资料,算得的相关系数为 0.67 , P>0.05 ,由此得出的统计学结论是:A.
身高与肺活量呈高度相关
B.
身高与肺活量为正相关关系
C.
可认为此次抽样得到的r=0.67与总体相关系数 r =0的差异是抽样误差造成的
D.
若增大样本例数， P>0.05 的结果不会改变
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Burn Calories While You Do Your Chores! You may not realize just how many calories you burn doing everyday tasks. Daily chores do burn calories and, in some cases, help tone muscles. The only catch is...
A.
Raking leaves in your yard.
B.
Washing dishes.
C.
Surfing the Internet.
D.
Fixing dinner.
【单选题】How many times do the road and railway intersect on this map?
A.
平行
B.
打断
C.
汇集
D.
相交
【简答题】How many main Depots are there in one Railway Bureaus?what are they?
【简答题】It seems that many people who accuse the EU of bur __ __ __ __ __ __ __ __ do not really know how it works. ____________
相关题目：