BisonWeights
OverTime
Refertothedataonthebisonweightstakenfrom2010–2015andanswerthe
questionsbelow:
1. Whatistheaverageweightofthefemalecalvesin2010?
2. Whatistheaverageweightofmalecalvesin2010?
3. Whatisthedifferencebetweentheaveragefemalecalfweightandtheaverage
malecalfweight?Whydoyouthinkthereisadifference?
4. Howmanycalvesdisappearedfromthedataaftertheirfirstyear?
5. Hypothesizeonwhatyouthinkhappenedtothemissingcalves:
6. Howoldisadultcow#Y-411in2010?
7. Adultcow#Y-328lostweightbetween2011and2012.Hypothesizeastowhy
youthinkthathappened?Howmuchweightdidshelose?
8. Findthemaximumweightofanadultcow.Thenfindtheminimumweightofan
adultcow.Hypothesizeonwhyadultcowsmightbeofdifferentweights.
9. Accordingtothedatadoadultcowscontinuetogainweightastheyage?
10. Dothebullscontinuetogainweightastheyage?
11. IfyouwerethemanageroftheKonzaPrairiebisonherdwouldyoukeepbison
cowsthatwerelosingweightorwouldyousellthem?
12. RefertotheweightofY-941.Graphhowtheweightofthiscowchangesover
theyearsonthetablebelow:
TheWeightofBisonCowY-941over6Years
1,100
1,000
900
Weightinpounds
800
700
600
500
400
300
200
100
0
2010 20112012201320142015
Year
13. Afterlookingatthedatayougraphed,whatpredictioncanyoumakeaboutthe
weightofY-941in2016?