Project measure / variable:   Jaxpheno8   ABR_32

ID, description, units MPD:35004   ABR_32   auditory brainstem response (ABR) threshold, sound pressure level   [dB]  32 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 32 kHz tone



  MEASURE SUMMARY
Measure Summary Male
Number of strains tested7 strains
Mean of the strain means50.1   dB
Median of the strain means51.0   dB
SD of the strain means± 10.5
Coefficient of variation (CV)0.209
Min–max range of strain means38.8   –   65.9   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 5967.5452 994.5909 4.7916 0.0005
Residuals 55 11416.3258 207.5696


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 65.9 16.7   11 5.04 0.253 30.0, 90.0 1.51
AKR/J m 51.0 15.4   10 4.88 0.302 30.0, 70.0 0.09
BALB/cJ m 40.0 18.0   11 5.44 0.451 10.0, 75.0 -0.96
C3H/HeJ m 41.7 4.08   6 1.67 0.098 40.0, 50.0 -0.8
C57BL/10J m 38.8 14.4   4 7.18 0.371 20.0, 55.0 -1.08
C57BL/6J m 53.3 10.8   6 4.41 0.203 40.0, 70.0 0.31
DBA/2J m 60.0 12.2   14 3.27 0.204 40.0, 80.0 0.94


  LEAST SQUARES MEANS (MODEL-ADJUSTED)
Strain Sex Mean SEM UpperCL LowerCL
A/J m 65.9091 4.344 74.6146 57.2036
AKR/J m 51.0 4.556 60.1304 41.8696
BALB/cJ m 40.0 4.344 48.7055 31.2945
C3H/HeJ m 41.6667 5.8817 53.4539 29.8794
C57BL/10J m 38.75 7.2036 53.1864 24.3136
C57BL/6J m 53.3333 5.8817 65.1206 41.5461
DBA/2J m 60.0 3.8505 67.7166 52.2834




  GWAS USING LINEAR MIXED MODELS