Arandomsampleof50recordsyieldsa95%confidenceintervalforthemeanageatfirst marriage ofwomeninacertaincountyof23.5to25.0years.Explainwhatiswrongwitheach of thefollowinginterpretations. (a) Ifrandomsamplesof50recordswererepeatedlyselected,then95%ofthetimethesample mean ageatfirstmarriageforwomenwouldbebetween23.5and25.0years. (b) Ninety-fivepercentoftheagesatfirstmarriageforwomeninthecountyarebetween23.5 and 25.0years. (c) Wecanbe95%confidentthat y is
Question:
Arandomsampleof50recordsyieldsa95%confidenceintervalforthemeanageatfirst marriage ofwomeninacertaincountyof23.5to25.0years.Explainwhatiswrongwitheach of thefollowinginterpretations.
(a) Ifrandomsamplesof50recordswererepeatedlyselected,then95%ofthetimethesample mean ageatfirstmarriageforwomenwouldbebetween23.5and25.0years.
(b) Ninety-fivepercentoftheagesatfirstmarriageforwomeninthecountyarebetween23.5 and 25.0years.
(c) Wecanbe95%confidentthat y is between
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Foundations Of Statistics For Data Scientists With R And Python
ISBN: 9780367748456
1st Edition
Authors: Alan Agresti
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