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PAPER-FORECASTING

R Software Module: rwasp_hypothesismeanu.wasp (opens new window with default values)
Title produced by software: Testing Mean with unknown Variance - Critical Value
Date of computation: Wed, 02 Jan 2008 09:11:57 -0700
 
Cite this page as follows:
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL http://www.freestatistics.org/blog/date/2008/Jan/02/t1199290493hsbdzw4xgedwewz.htm/, Retrieved Wed, 02 Jan 2008 17:14:53 +0100
 
User-defined keywords:
 
Dataseries X:
» Textbox « » Textfile « » CSV «
-26.9187469810882 32.8744894103911 55.4109663077635 -411.74021930021 57.6733735622178 -449.467580506773 -373.137340248775 -371.885251594715 647.419901333695 22.1523877542783 120.184756405119 67.8888126135818 -152.178661617549 231.692049866116 145.757896749545 225.957394015465 337.679773111804 659.938432573688 220.144077848045 568.176791094861 348.725689044856 -773.427865318365 498.389708635609 -602.642888336038 -236.529595990579 -3.05556134451611 392.249606941302 -104.550625738118 682.677984746466 -319.622690673243 315.541864199205 -660.840435581555 -420.191538675928 -277.196633131906 214.812780622531 -48.21289276352 -710.90591577231 -581.694767903059 -463.052580808214 23.9970216115152 -281.457845514168 -536.338283959565 35.4711028984987 241.984287236391 380.351842191102 500.008616098707 182.200659428461 -675.434093805208 198.846676299458 -126.639120920316 186.007671234493 601.909320831046 20.3167706478652 -68.1288136643523 259.690822371878 -61.7095803163634 -647.712671395481 -295.901619189643 -605.509356050111 -98.0460135928702 270.083301724519 -442.28962621432 -38.8754823561344 660.951583193727 -57.644136424814 -231.023832843454 -252.085123860666 115.231008221747 748.358138305777 405.447168684859 -849.686780957183 695.69201774521 175.800002059481 244.333598889478 7.89489699683577 74.8741080775703 -21.1310364513379 462.378549020264 -214.580694131543 -464.829612842442 100.794658470219 517.088500752241 -359.030787129304 -227.250991005292 -634.829212237864 163.911850520385 844.727542077345 -309.728276359043 715.917712584614 831.323241200929 575.223430396836 -675.977091365201 964.10508600436 -985.202233407736 -90.6798552462796 -121.024470824749 -166.838259623166 -26.9771633517265 6.13859746646865 171.057950671142 18.1599008909896 -1161.16622651343 17.8684245729267 -34.0938481545102 413.4749101741 -307.711577146674 602.475786873607 540.065610424555
 
Text written by user:
 
Output produced by software:


Summary of compuational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time0 seconds
R Server'Gwilym Jenkins' @ 72.249.127.135


Hypothesis Test about the Mean - Confidence Interval
Sample size108
Sample standard deviation434.325464065809
Confidence0.99
Null hypothesis0
Sample Mean7.06227402356233
2-sided Confidence Interval[ -102.542343278429 , 116.666891325554 ]
Left-sided Confidence Interval[ -91.6403973372668 , +inf ]
Right-sided Confidence Interval[ -inf, 105.764945384391 ]
 
Charts produced by software:
 
Parameters (Session):
par1 = 0 ; par2 = 24 ;
 
Parameters (R input):
par1 = 0.99 ; par2 = 0 ;
 
R code (references can be found in the software module):
par1 <- as.numeric(par1)
par2 <- as.numeric(par2)
len <- length(x)
df <- len - 1
sd <- sd(x)
mx <- mean(x)
load(file='createtable')
delta2 <- abs(qt((1-par1)/2,df)) * sd / sqrt(len)
delta1 <- abs(qt((1-par1),df)) * sd / sqrt(len)
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Hypothesis Test about the Mean - Confidence Interval',2,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Sample size',header=TRUE)
a<-table.element(a,len)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Sample standard deviation',header=TRUE)
a<-table.element(a,sd)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Confidence',header=TRUE)
a<-table.element(a,par1)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Null hypothesis',header=TRUE)
a<-table.element(a,par2)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Sample Mean',header=TRUE)
a<-table.element(a,mx)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'2-sided Confidence Interval',header=TRUE)
dum <- paste('[',mx-delta2)
dum <- paste(dum,',')
dum <- paste(dum,mx+delta2)
dum <- paste(dum,']')
a<-table.element(a,dum)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Left-sided Confidence Interval',header=TRUE)
dum <- paste('[',mx-delta1)
dum <- paste(dum,', +inf ]')
a<-table.element(a,dum)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Right-sided Confidence Interval',header=TRUE)
dum <- paste('[ -inf, ',mx+delta1)
dum <- paste(dum,']')
a<-table.element(a,dum)
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable.tab')
 





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Creative Commons License

This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.

Software written by Ed van Stee & Patrick Wessa


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