某医师调查得10名女中学生体重X(kg)与肺活量Y(L),经直线回归分析知,b=0.0748,若,按 =0.05可认为(  )A.肺活量与体重大小无关 ...

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问题 某医师调查得10名女中学生体重X(kg)与肺活量Y(L),经直线回归分析知,b=0.0748,若,按 =0.05可认为(  )
选项 A.肺活量与体重大小无关 B.肺活量随体重增加而增加 C.体重与肺活量间有函数关系存在 D.体重与肺活量均值差别有统计学意义 E.体重与肺活量间无线性相关关系存在
答案 B
解析

相关内容:医师,调查,中学生,体重,肺活量,直线,分析,0.0748,大小

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