Test Scores for a College Course

The UNIVARIATE Procedure

Variable: ScoreChange (Change in Test Scores)

Moments
N	12	Sum Weights	12
Mean	-3.0833333	Sum Observations	-37
Std Deviation	13.3379727	Variance	177.901515
Skewness	-1.4191368	Kurtosis	3.35291936
Uncorrected SS	2071	Corrected SS	1956.91667
Coeff Variation	-432.5829	Std Error Mean	3.85034106

Basic Statistical Measures
Location		Variability
Mean	-3.08333	Std Deviation	13.33797
Median	-3.00000	Variance	177.90152
Mode	-5.00000	Range	51.00000
		Interquartile Range	10.50000

NOTE: The mode displayed is the smallest of 2 modes with a count of 2.

Modes
Mode	Count
-5	2
-3	2

Basic Confidence Limits Assuming Normality
Parameter	Estimate	95% Confidence Limits
Mean	-3.08333	-11.55788	5.39121
Std Deviation	13.33797	9.44856	22.64625
Variance	177.90152	89.27519	512.85267

Tests for Location: Mu0=0
Test	Statistic		p Value
Student's t	t	-0.80079	Pr > |t|	0.4402
Sign	M	-1	Pr >= |M|	0.7744
Signed Rank	S	-8.5	Pr >= |S|	0.5278

Location Counts: Mu0=0.00
Count	Value
Num Obs > Mu0	5
Num Obs ^= Mu0	12
Num Obs < Mu0	7

Quantiles (Definition 5)
Quantile	Estimate			Order Statistics
		99% Confidence Limits Distribution Free		LCL Rank	UCL Rank	Coverage
100% Max	14.0
99%	14.0	6	14	10	12	11.34
95%	14.0	6	14	10	12	44.01
90%	12.0	2	14	8	12	71.32
75% Q3	4.5	-3	14	6	12	95.41
50% Median	-3.0	-14	12	2	11	99.37
25% Q1	-6.0	-37	-3	1	7	95.41
10%	-14.0	-37	-5	1	5	71.32
5%	-37.0	-37	-7	1	3	44.01
1%	-37.0	-37	-7	1	3	11.34
0% Min	-37.0

Extreme Observations
Lowest		Highest
Value	Obs	Value	Obs
-37	6	2	3
-14	12	3	7
-7	8	6	10
-5	11	12	4
-5	5	14	2