Page 40 - Quantitative Data Analysis
P. 40
Quantitative Data Analysis
Simply Explained Using SPSS
The table below provides test result scores of 14 students.
78 85 82 100 88 77 62 91 88 68 76 90 94 90
1. Sum of the observations 1169
2. Number of observations (N) 14
3. Mean 83.50
4. Median 86.5
5. Mode 88 & 90
6. Range 38
7. First Quartile (Q1) 76.75
8. Second Quartile (Q2) 86.50
9. Third Quartile (Q3) 90.25
10. Inter Quartile Range 13.50
11. Lower bound to check for
outliers 56.50
12. Upper bound to check for
outliers 110.50
62, 76.25, 86.5, 90.25,
13. Five-Number Summary 100
The Theory and Applications of Statistical Inferences 24
