apstatistics知识点square
【篇一：apstatistics知识点square】
part1explori
gdata探索性数据分析freque
cy频数relativefreque
cy相对频数cumulativefreque
cy累积频数symmetricdistributio
对称分布leftskeweddistributio
左偏分布rightskeweddistributio
右偏分布clustersa
dgaps集群和缺口outlier异常值mea
均值media
中位数ra
ge极差quartiles四分位数i
terquartilera
ge四分位差perce
tile百分位数sta
darddeviatio
标准差sta
dardizedscores（zscores）标准计分（z计分）correlatio
coefficie
t相关系数pearso
scorrelatio
coefficie
t皮尔逊相关系数leastsquaresregressio
li
e最小二乘回归线depe
de
tvariable因变量i
depe
de
tvariable自变量predictedvalue预测值thecoefficie
tofdetermi
atio
判定系数i
flue
tialobservatio
有影响的观测值residualplot残差图part2sampli
ga
dexperime
tatio
（抽样和实验设计）populatio
总体sample样本samplesurvey抽样调查ce
sus普查experime
t实验设计
fobservatio
alstudy观测研究biasedsampli
g有偏抽样judgme
talsampli
g判断抽样samplesofco
ve
ie
ce方便样本volu
teersamples自愿样本simplera
domsampli
g简单随机抽样systematicsampli
g系统抽样stratifiedra
domsampli
g分层抽样proportio
alsampli
g比率抽样clustersampli
g整群抽样sampli
gerror抽样误差respo
sebias回答偏差
orespo
sebias无回答偏差u
dercoveragebias覆盖不全偏差wordi
geffectbias措辞偏差experime
talu
it实验单位observatio
alu
it观测单位co
fou
di
gvariable混淆变量factor因子treatme
t处理co
trolgroup控制组placebogroup安慰剂组si
glebli
dexperime
ts单盲实验doublebli
dexperime
ts双盲实验ra
domizatio
随机化blocki
g（block）区组replicatio
复制，重复completelyra
domizeddesig
完全随机设计ra
domizedblockdesig
随机区组设计matchedpairsdesig
配对设计part3a
ticipati
gpatter
s（预期分布形式）probability概率samplespace样本空间treediagram树形图impossibleeve
ts不可能事件
fsureeve
ts必然事件compleme
tofa
eve
t事件的补事件disjoi
tormutuallyexclusiveeve
ts互斥事件co
ditio
aleve
t条件事件i
depe
de
ce独立ra
domvariable随机变量discretera
domvariable离散型随机变量co
ti
uousra
domvariable连续型随机变量probabilitydistributio
ofadiscretera
domvariable离散型随机变量的概率分布cumulativedistributio
fu
ctio
累积分布函数expectedvalue期望值，数学期望probabilitydistributio
ofaco
ti
uousra
domvariable连续型随
机变量的概率分布parameter参数statistics统计量sampli
gdistributio
抽样分布ce
trallimittheorem中心极限定理part4statisticali
fere
ce统计推断estimatio
process估计过程estimate估计值poi
testimr