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, 3 (student_1.htm  student_2.htm    student_3.htm ) , . () . 643 . 98. 39 , , 59 . SAS 9.

3 : 1- 4- . . (Shapiro-Wilk), (Kolmogorov-Smirnov), (Cramer-von Mises) (Anderson-Darling). ( , , , , , , , ..).


, F- ( ), , , , .  (Equal), ( Satterthwaite) ( Cochran) . , F- . 0,05.


----------------------------- =I ------------------------------

Variable: VAR74 ( )

Moments

N 25 Sum Weights 25

Mean 0.03916 Sum Observations 0.979

Std Deviation 0.01551795 Variance 0.00024081

Skewness 0.48440483 Kurtosis -0.1187811

Uncorrected SS 0.044117 Corrected SS 0.00577936

Coeff Variation 39.6270342 Std Error Mean 0.00310359

Basic Statistical Measures

Location Variability

Mean 0.039160 Std Deviation 0.01552

Median 0.035000 Variance 0.0002408

Mode 0.032000 Range 0.06000

Interquartile Range 0.01800

Tests for Normality

Test --Statistic--- -----p Value------

Shapiro-Wilk W 0.937129 Pr < W 0.1270

Kolmogorov-Smirnov D 0.180681 Pr > D 0.0345

Cramer-von Mises W-Sq 0.152913 Pr > W-Sq 0.0210

Anderson-Darling A-Sq 0.768739 Pr > A-Sq 0.0412

----------------------------- =IV -----------------------------

Variable: VAR74 ( )

Moments

N 44 Sum Weights 44

Mean 0.03143182 Sum Observations 1.383

Std Deviation 0.01756503 Variance 0.00030853

Skewness 0.54117663 Kurtosis -0.0428354

Uncorrected SS 0.056737 Corrected SS 0.0132668

Coeff Variation 55.882945 Std Error Mean 0.00264803

Basic Statistical Measures

Location Variability

Mean 0.031432 Std Deviation 0.01757

Median 0.030000 Variance 0.0003085

Mode 0.027000 Range 0.07400

Interquartile Range 0.02500

Tests for Normality

Test --Statistic--- -----p Value------

Shapiro-Wilk W 0.968091 Pr < W 0.2587

Kolmogorov-Smirnov D 0.124058 Pr > D 0.0878

Cramer-von Mises W-Sq 0.073858 Pr > W-Sq 0.2459

Anderson-Darling A-Sq 0.442643 Pr > A-Sq >0.2500


Analysis of Variance for Variable VAR74

Classified by Variable VAR2A

VAR2A N Mean

---------------------------------------

I 25 0.039160

IV 44 0.031432

Source DF Sum of Squares Mean Square F Value Pr > F

-------------------------------------------------------------------

Among 1 0.000952 0.000952 3.3494 0.0717

Within 67 0.019046 0.000284

Wilcoxon Scores (Rank Sums) for Variable VAR74

Classified by Variable VAR2A

Sum of Expected Std Dev Mean

VAR2A N Scores Under H0 Under H0 Score

-------------------------------------------------------------------------

I 25 1037.0 875.0 80.052133 41.480000

IV 44 1378.0 1540.0 80.052133 31.318182

Wilcoxon Two-Sample Test

Statistic 1037.0000

Normal Approximation

Z 2.0174

One-Sided Pr > Z 0.0218

Two-Sided Pr > |Z| 0.0437

t Approximation

One-Sided Pr > Z 0.0238

Two-Sided Pr > |Z| 0.0476

Z includes a continuity correction of 0.5.

-

Kruskal-Wallis Test

Chi-Square 4.0953

DF 1

Pr > Chi-Square 0.0430

Van der Waerden Scores (Normal) for Variable VAR74

Classified by Variable VAR2A

Sum of Expected Std Dev Mean

VAR2A N Scores Under H0 Under H0 Score

-------------------------------------------------------------------------

I 25 7.459266 0.0 3.807328 0.298371

IV 44 -7.459266 0.0 3.807328 -0.169529

Van der Waerden Two-Sample Test

Statistic 7.4593

Z 1.9592

One-Sided Pr > Z 0.0250

Two-Sided Pr > |Z| 0.0501

Van der Waerden One-Way Analysis

Chi-Square 3.8384

DF 1

Pr > Chi-Square 0.0501

T-Tests

Variable Method Variances DF t Value Pr > |t|

VAR74 Pooled Equal 67 1.83 0.0717

VAR74 Satterthwaite Unequal 55.3 1.89 0.0634

VAR74 Cochran Unequal . 1.89 0.0681

Equality of Variances

Variable Method Num DF Den DF F Value Pr > F

VAR74 Folded F 43 24 1.28 0.5224

, , .

 


6 :

student_1.htm  student_2.htm    student_3.htm  
student_4.htm
  student_5.htm    student_6.htm

. . 01.02.2007.


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