Kuehl -- Example 4.1 & Levene (Med) Test The MEANS Procedure Analysis Variable : count N site Obs Mean Std Dev Minimum Maximum ------------------------------------------------------------------------------ 1 25 33.8000000 50.3851830 0 233.0000000 2 25 68.7200000 125.3536730 0 466.0000000 3 25 50.6400000 107.4379201 0 407.0000000 4 25 9.2400000 17.3860097 0 82.0000000 5 25 10.0000000 19.8410349 0 94.0000000 6 25 12.6400000 23.0106497 0 95.0000000 ------------------------------------------------------------------------------ Kuehl -- Example 4.1 & Levene (Med) Test The GLM Procedure Class Level Information Class Levels Values site 6 1 2 3 4 5 6 Number of Observations Read 150 Number of Observations Used 150 Kuehl -- Example 4.1 & Levene (Med) Test The GLM Procedure Dependent Variable: count Sum of Source DF Squares Mean Square F Value Pr > F Model 5 76695.0400 15339.0080 2.97 0.0140 Error 144 744493.1200 5170.0911 Corrected Total 149 821188.1600 R-Square Coeff Var Root MSE count Mean 0.093395 233.1496 71.90335 30.84000 Source DF Type I SS Mean Square F Value Pr > F site 5 76695.04000 15339.00800 2.97 0.0140 Source DF Type III SS Mean Square F Value Pr > F site 5 76695.04000 15339.00800 2.97 0.0140 Kuehl -- Example 4.1 & Levene (Med) Test Normal Probability Plot Plot of ehat*nq_i. Legend: A = 1 obs, B = 2 obs, etc. ehat | 393.28 + A | | | A | A | 327.28 + | | | | | 261.28 + A | | | | | 195.28 + AA | | | | | A 129.28 + | | | | AA | ABA 63.28 + | ABA | A | AA | ACB | ADC -2.72 + FEEDEC | CEFEEFEE | DB | ADE | CCCDC | ABBB -68.72 + A A AAAAAAA ---+----------+----------+----------+----------+----------+----------+-- -3 -2 -1 0 1 2 3 nq_i Kuehl -- Example 4.1 & Levene (Med) Test Plot of Residuals vs Site Means Plot of ehat*ybar. Legend: A = 1 obs, B = 2 obs, etc. ehat | 393.28 + A | | | A | A | 327.28 + | | | | | 261.28 + A | | | | | 195.28 + A A | | | | | A 129.28 + | | | | A A | A A B 63.28 + | A A A A | A | A A | BC A | AB D A -2.72 + MJ B B A | HI P D A B | E A | G C | O A | G -68.72 + I -+---------+---------+---------+---------+---------+---------+---------+- 0 10 20 30 40 50 60 70 ybar Kuehl -- Example 4.1 & Levene (Med) Test Plot of Residuals vs Site Means The GLM Procedure Class Level Information Class Levels Values site 6 1 2 3 4 5 6 Number of Observations Read 150 Number of Observations Used 150 Kuehl -- Example 4.1 & Levene (Med) Test Plot of Residuals vs Site Means The GLM Procedure Dependent Variable: z Sum of Source DF Squares Mean Square F Value Pr > F Model 5 71145.6533 14229.1307 2.93 0.0151 Error 144 699845.4400 4860.0378 Corrected Total 149 770991.0933 R-Square Coeff Var Root MSE z Mean 0.092278 242.8494 69.71397 28.70667 Source DF Type I SS Mean Square F Value Pr > F site 5 71145.65333 14229.13067 2.93 0.0151 Source DF Type III SS Mean Square F Value Pr > F site 5 71145.65333 14229.13067 2.93 0.0151