a priori probability 

AbbeHelmert criterion 

AbelsonTukey score test 

abnormal curve 

abnormality 

abrupt distribution 

absolute deviation 

absolute difference 

absolute error 

absolute frequency 

absolute measure 

absolute moments 

absolutely unbiased estimator 

absorbing barrier 

absorbing Markov chain 

absorbing region 

absorbing state 

absorption distributions 

accelerated stochastic approximation 

acceleration by powering 

acceptable quality level 

acceptable reliability level 

acceptance boundary 

acceptance control chart 

acceptance error 

acceptance inspection 

acceptance line 

acceptance number 

acceptance quality level 

acceptance region 

accumulated deviation 

accumulated process 

accuracy 

ACF 

ad hoc test 

Adès distributions 

adaptive inference 

adaptive kernel estimation 

adaptive optimisation 

addition of variates 

additive (random walk) process 

additive model 

additive property of χ 

additive property of chisquare 

additivity of means 

adequate subset 

adherent probabilities 

admissible decision function 

admissible estimator 

admissible hypothesis 

admissible numbers 

admissible strategy 

admissible test 

affine αresolvability 

affine alpha resolvability 

affinity 

age dependent birth and death process 

age dependent branching process 

age specific death rate 

aggregation 

aggregative cluster analysis 

aggregative index 

aggregative model 

AID 

Aitken estimator 

Ajne's Antest 

Akaike's information criterion 

aleatory variable 

algorithm 

alias 

all possible subsets regression 

allele 

allocation of a sample 

allocation rule 

allokurtic 

allometric growth 

allowable defects 

almost certain 

almost certainly 

almost everywhere 

almost stationary 

almost surely 

alpha error 

alpha factoring 

alpha index 

alpha resolvability 

alphabet 

Alter periodogram 

alternating renewal process 

alternative hypothesis 

amount of information 

amount of inspection 

amplitude 

amplitude ratio 

analogue computer 

analysis of covariance 

analysis of dispersion C multivariate analysis of variance 

analysis of variance 

analysis of variance of longitudinal data 

analytic regression 

analytic survey 

analytic trend 

ancillary information 

ancillary statistic 

ANCOVA 

AndersonDarling statistic 

Anderson's classification statistic 

Andrews' Fouriertype plot 

angular transformation 

angular variables 

anisotropic distribution 

anomic 

Anosov's theorem 

ANOVA 

AnsariBradley dispersion test 

Anscombe residual 

antimode 

antiseries 

antithetic transforms 

antithetic variates 

antitonic regression function 

AOQL 

aperiodic state 

approximation error 

AQL 

arbitrary origin 

arc sine transformation 

arcsine distribution 

arcsine transformation 

ARE 

area comparability factor 

area sampling 

Arfwedson distribution 

ARIMA process 

arithmetic average 

arithmetic distribution 

arithmetic mean 

ARL 

ARMA process 

ARMA process; BoxJenkins model 

Armitage's chisquared test for trend 

Armitage's restricted procedure 

Arnold distribution 

array 

arrival distribution 

ascertainment 

ascertainment error 

ASN function 

assay 

assignable variation 

associable design 

associate class 

association 

association analysis 

association scheme 

assumed mean 

asymmetrical distribution 

asymmetrical factorial design 

asymmetrical test 

asymmetry 

asymptotic Bayes procedure 

asymptotic distribution 

asymptotic efficiency 

asymptotic Normality 

asymptotic relative efficiency 

asymptotic standard error 

asymptotically efficient estimator 

asymptotically locally optimal design 

asymptotically most powerful test 

asymptotically stationary 

asymptotically subminimax 

asymptotically unbiased estimator 

atom 

attack rate 

attenuation 

attributable risk 

attribute 

atypical characteristic 

auto spectrum 

autocatalytic curve 

autocorrelation 

autocorrelation coefficient 

autocorrelation function 

autocovariance 

autocovariance function 

autocovariance generating function 

automatic interaction detection 

autonomous equations 

autoregression 

autoregressive integrated moving average process 

autoregressive model 

autoregressive moving average process 

autoregressive process 

autoregressive series 

autoregressive transformation 

average 

average amount of inspection 

average article run length 

average correction (for grouping) 

average critical value method 

average deviation 

average deviation 

average extra defectives limit 

average inaccuracy 

average of relatives 

average outgoing quality level 

average outgoing quality limit 

average quality protection 

average run length 

average sample number curve 

average sample number function 

average sample run length 

axial distribution 

axonometric chart 
