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Unformatted text preview: oTimes,whatistheteststatistic?     13) WewishtotestthehypothesesH0:p versusHa:p ata5%levelofsignificance. Here,pdenotesthefractionpossessingsomecharacteristicforanunspecifiedpopulation.To thisendweobtainasimplerandomsampleof100elementsfromtherelevantpopulation.We findthat52elementsinthesamplehavethecharacteristic.Findthep ­value.      14) WewishtoshowthattheaverageageofOrleansParishresidentsisnowmorethan31yearsat a1%levelofsignificance.Tothisendweobtainasimplerandomsampleof85OrleansParish residentages.Weobtainasamplemeanvalueof32.5yearsandastandarddeviationof12.4 years.WetestthehypothesesH0: Calculatethep ­value.        ...
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This note was uploaded on 01/27/2014 for the course STATISTICS 1140 taught by Professor Johnliukkonen during the Fall '11 term at Tulane.

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