上机实验七 SPSS 相关分析 题目:1、分析数学和英语得分是否存在线性关系? 数据来源:SPSS 课程资料 correlate2.sav 假设: H0:数学和英语得分存在线性关系 H1:数学和英语得分不存在线性关系 基本结果: Correlations Math English Math Pearson Correlation 1 .834** Sig. (2-tailed) .003 N 10 10 English Pearson Correlation .834** 1 Sig. (2-tailed) .003 N 10 10 **. Correlation is significant at the 0.01 lev el (2-tailed). Correlations Math English Spearman's rho Math Correlation Coefficient 1.000 .770** Sig. (2-tailed) . .009 N 10 10 English Correlation Coefficient .770** 1.000 Sig. (2-tailed) .009 . N 10 10 **. Correlation is significant at the 0.01 lev el (2-tailed). 结论: Pearson相关系数为0.834,sig值为0.003,sig值小于0.05,所以数学和英语得分存在正相关;Spearman相关系数为0.770,sig值为0.009,sig值小于0.05,所以数学和英语得分存在正相关; 无论是用Pearson、Spearman相关系数,都可以得出数学和英语得分存在正相关的结论,故接受H0假设,且SIG值均小于0.05,两者之间存在正相关线性关系。 题目:2、分析汽车销售额和燃油效率之间是否存在线性关系? 数据来源:SPSS 课程资料 correlate1.sav 假设: H0:汽车销售额和燃油效率之间存在线性关系 H1:汽车销售额和燃油效率之间不存在线性关系 基本结果: Correlations Price in thousands Fuel efficiency Price in thousands Pearson Correlation 1 -.492** Sig. (2-tailed) .000 N 155 153 Fuel efficiency Pearson Correlation -.492** 1 Sig. (2-tailed) .000 N 153 154 **. Correlation is significant at the 0.01 level (2-tailed). Correlations Price in thousands Fuel efficiency Spearman's rho Price in thousands Correlation Coefficient 1.000 -.614** Sig. (2-tailed) . .000 N 155 153 Fuel efficiency Correlation Coefficient -.614** 1.000 Sig. (2-tailed) .000 . N 153 154 **. Correlation is significant at the 0.01 level (2-tailed). 结论: Pearson相关系数为-0.492,sig值为0.000,sig值小于0.05,所以汽车销售额和燃...