Test Scores for a College Course 1
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 |