Project measure / variable:   Jaxpheno8   ABR_16

ID, description, units MPD:35003   ABR_16   auditory brainstem response (ABR) threshold, sound pressure level   [dB]  16 kHz tone  
Data set, strains Jaxpheno8   inbred   7 strains     sex: m     age: 10-13wks
Procedure ABR test
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  STRAIN COMPARISON PLOT
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Jaxpheno8 - auditory brainstem response (ABR) threshold, sound pressure level 16 kHz tone



  MEASURE SUMMARY
Measure Summary Male
Number of strains tested7 strains
Mean of the strain means44.5   dB
Median of the strain means41.2   dB
SD of the strain means± 10.8
Coefficient of variation (CV)0.244
Min–max range of strain means31.4   –   59.1   dB
Mean sample size per strain8.9   mice


  ANOVA, Q-Q NORMALITY ASSESSMENT
ANOVA summary      
FactorDFSum of squaresMean sum of squaresF valuep value (Pr>F)
strain 6 7645.3346 1274.2224 5.4483 0.0002
Residuals 55 12863.1331 233.8751


Q-Q normality assessment based on residuals

  


  STRAIN MEANS (UNADJUSTED)
  
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Strain Sex Mean SD N mice SEM CV Min, Max Z score
A/J m 59.1 18.0   11 5.43 0.305 30.0, 90.0 1.34
AKR/J m 41.0 8.76   10 2.77 0.214 30.0, 55.0 -0.32
BALB/cJ m 31.4 13.8   11 4.16 0.44 10.0, 55.0 -1.21
C3H/HeJ m 35.0 13.8   6 5.63 0.394 10.0, 50.0 -0.88
C57BL/10J m 41.2 11.1   4 5.54 0.269 25.0, 50.0 -0.31
C57BL/6J m 45.0 14.1   6 5.77 0.314 20.0, 60.0 0.04
DBA/2J m 58.9 19.0   14 5.09 0.323 20.0, 80.0 1.33


  LEAST SQUARES MEANS (MODEL-ADJUSTED)
Strain Sex Mean SEM UpperCL LowerCL
A/J m 59.0909 4.611 68.3316 49.8502
AKR/J m 41.0 4.8361 50.6917 31.3083
BALB/cJ m 31.3636 4.611 40.6043 22.123
C3H/HeJ m 35.0 6.2433 47.5119 22.4881
C57BL/10J m 41.25 7.6465 56.5739 25.9261
C57BL/6J m 45.0 6.2433 57.5119 32.4881
DBA/2J m 58.9286 4.0872 67.1195 50.7376




  GWAS USING LINEAR MIXED MODELS