spss练习题(答案及简要分析)

Spss课程练习题

1、某年纪有80名学生,男女生各40人,分成2各班级,下面表1中是某次一门课程的成绩,请分性别、班级计算平均数、标准差等结果。表1 性别 班级 1 男生 2 1 女生 2

Cases Included 成绩 * 班级 * 性别

Report

成绩

班级 一班 性别 男生 女生 Total 二班 男生 女生 Total Total 男生 女生 Total

2、10名学生的两门其中考试成绩见表2,请按总成绩的40%计算总分。表2

序号(xu) 1 2 3 4 5 6 7

心理统计学(tj) 78 65 85 72 68 82 63 心理学研究方法(ff) 69 92 86 76 94 89 70 总成绩的40%(x) Mean 80.4500 80.2500 80.3500 79.2000 80.6500 79.9250 79.8250 80.4500 80.1375 N 20 20 40 20 20 40 40 40 80 Std. Deviation 5.33583 8.66861 7.10561 5.69025 8.87501 7.39503 5.48138 8.66159 7.20890 N 80 Percent 100.0% N 0 Excluded Percent .0% N 80 Total Percent 100.0% 考试成绩 82,72,74,86,93,74,79,83,78,81 84,75,87,78,85,74,84,78,79,83 81,77,74,80,70,74,72,90,84,87 84,79,77,69,80,79,81,80,88,78 75,73,89,72,70,74,77,70,61,91 85,83,94,85,82,86,91,83,87,77 85,83,68,79,82,87,86,81,79,83 75,84,73,96,67,88,63,89,71,94 Case Processing Summary

58.80 62.80 68.40 59.20 64.80 68.40 53.20

8 9 10

87 80 77 75 93 82 64.80 69.20 63.60 3、将表1中的数据合并,即不再分组,试整理成频数分布表,绘制出频数分布图,计算出常用的统计量。

Statistics

成绩

N

Mean Std. Error of Mean

Median Mode Std. Deviation Minimum Maximum Sum

Percentiles

25 50 75 成绩

Cumulative

Valid

61.00 63.00 67.00 68.00 69.00 70.00 71.00 72.00 73.00 74.00 75.00 77.00 78.00 79.00 80.00 81.00

Frequency

1 1 1 1 1 3 1 3 2 6 3 4 4 6 3 4

Percent 1.3 1.3 1.3 1.3 1.3 3.8 1.3 3.8 2.5 7.5 3.8 5.0 5.0 7.5 3.8 5.0

Valid Percent

1.3 1.3 1.3 1.3 1.3 3.8 1.3 3.8 2.5 7.5 3.8 5.0 5.0 7.5 3.8 5.0

Percent 1.3 2.5 3.8 5.0 6.3 10.0 11.3 15.0 17.5 25.0 28.8 33.8 38.8 46.3 50.0 55.0

Valid Missing

80 0 80.1375 .80598 80.5000 74.00(a) 7.20890 61.00 96.00 6411.00 74.2500 80.5000 85.0000

a Multiple modes exist. The smallest value is shown

82.00 83.00 84.00 85.00 86.00 87.00 88.00 89.00 90.00 91.00 93.00 94.00 96.00 Total

3 6 5 4 3 4 2 2 1 2 1 2 1 80

3.8 7.5 6.3 5.0 3.8 5.0 2.5 2.5 1.3 2.5 1.3 2.5 1.3 100.0

3.8 7.5 6.3 5.0 3.8 5.0 2.5 2.5 1.3 2.5 1.3 2.5 1.3 100.0

58.8 66.3 72.5 77.5 81.3 86.3 88.8 91.3 92.5 95.0 96.3 98.8 100.0

成绩141210864Frequency2060.062.565.067.570.072.575.077.580.082.585.087.590.092.595.0Std. Dev = 7.21 Mean = 80.1N = 80.00成绩 4、正常人的脉搏平均 数为72次/分。现测得15名患者的脉搏:71,55,76,68,72,69,56,70,79,67,58,77,63,66,78 试问这15名患者的脉搏与正常人的脉搏是否有差异?

One-Sample Test

Test Value = 72 95% Confidence Interval Mean 脉搏频数

t -1.836 df 14 Sig. (2-tailed) .088 Difference -3.6667 of the Difference Lower -7.9494 Upper .6161 由结果可知,因为0.088>0.05,所以在p=0.05的显著性水平上差异不显著

5、收集了20名学生的自信心值,见表3,试问该指标是否与性别有关?表3

性别(g) 自信心(x)

Levene's Test for Equality of Variances t-test for Equality of Means 95% Confidence Interval of the Difference Mean F Sig. t df Sig. (2-tailed) Difference Std. Error Difference Lower Upper 数据值 1,1,1,1,2,2,1,1,1,2,2,1,2,2,2,1,1,2,2,2 6,8,5,6,6,4,8,5,3,8,6,5,5,7,8,5,6,8,7,4 Independent Samples Test

自信心 Equal variances assumed Equal variances not assumed .273 .608 -.876 -.876 18 17.960 .392 .392 -.6000 -.6000 .68475 .68475 -2.03862 -2.03885 .83862 .83885

由数据可知,F检验的p=0.608>0.05,所以两组样本的方差差异不显著,所以t检验应该是Equal variances assumed一项进行判断。双侧t检验的p=0.392>0.05,表示两个样本没有显著性差异

6、将条件相近的学生配成对,再随机分成两组,采用两种不同的训练方法进行训练,训练一周后,测得两组学生跳高成绩如表4,试问两种训练方法的效果是否相同?表4

X1 151 148 164 139 147 155 161 141 157 154 149 141 160 140 142 X2 151 158 143 153 148 注:x1、x2表示两组学生的跳高成绩,单位厘米(cm)

配对样本T检验:Analyze - Compare Means -Paried-sample T Test

Paired Samples Correlations

Pair 1 X1 & X2 N 10

Correlation .938 Sig. .000

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