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Acoording bo The Food and Doug Administration (FDW), 400 miligrams img) a doy is
considered a sale amount of doly ealleine cansumptien which it abeut 4 to 5 ctpt of ceffee. We
wutpected that people nhe viut colfee ahopt in the morsing arink mere corfee on average than
people who vist colree shops in the dherhoon. During one doy, me randooly samoled B people
who encered a given ceffee shop in the morming and $ geople who entired the ceMled thop in
the artemoon. We recerded each person'a average daily coffeine cerisumptoon (ph mp) We are
interesting in drawine inference on the dweresce in the bopuldtion dverapt caffeine consumption
for geoble is the moming eroup w. poople in the afternoon proup. The data is in the table below
(For these ouentions, tount atli mumenc aniwers to throe decinal geaces) a. Entor the values foe
the following reatutics: rening = Fromeng =1xaheneos= Tariermien i a. Censtruct as appresimabe
95s ceefldence intervil for p-masich - Hahamose Lower sound m Upoer bound = e. Fram these
refulti, 6or maciticai cenclusich chayld be: (Woir have tiab atternots at this aurstith) 95% Cl
exctudes aert. exdudes zerd 95 . Cl contans sen contains zero. f. What tybe of error "might" we
have mase? [Vou have two artempte at this quevich] We mighe have made a Type t eroc because
a thpe 1 error is faling to regect a fase He: We might have made a Trpe ll ervoc, beceuse a Trpe 1
enor is folling to reject a true Ho We might hwoe made a Type 1 erroc, becase a Thpe f error is
rejecting a fake it. We mighe have made a Tyge 21 enor, secacte a Type it erier in falling to
reject a false Ho. We might have made a Thpe It erroc, becase a Type II error in falling to reject
a true He We mighe have made a Type If enoe, becabe a Trpe II erise is rejecting a true He. We
mighe heve made a Type tf errot because a Trpe At erter as fegecting a false Hor We might have
made ether a Troe I or a Trpe It evor; both are possible. We cannot porsibly have made a Type 1
or a Trpe Il erroe; neither are poosible

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Acoording bo The Food and Doug Administration (FDW), 400 miligrams im.pdf

  • 1. Acoording bo The Food and Doug Administration (FDW), 400 miligrams img) a doy is considered a sale amount of doly ealleine cansumptien which it abeut 4 to 5 ctpt of ceffee. We wutpected that people nhe viut colfee ahopt in the morsing arink mere corfee on average than people who vist colree shops in the dherhoon. During one doy, me randooly samoled B people who encered a given ceffee shop in the morming and $ geople who entired the ceMled thop in the artemoon. We recerded each person'a average daily coffeine cerisumptoon (ph mp) We are interesting in drawine inference on the dweresce in the bopuldtion dverapt caffeine consumption for geoble is the moming eroup w. poople in the afternoon proup. The data is in the table below (For these ouentions, tount atli mumenc aniwers to throe decinal geaces) a. Entor the values foe the following reatutics: rening = Fromeng =1xaheneos= Tariermien i a. Censtruct as appresimabe 95s ceefldence intervil for p-masich - Hahamose Lower sound m Upoer bound = e. Fram these refulti, 6or maciticai cenclusich chayld be: (Woir have tiab atternots at this aurstith) 95% Cl exctudes aert. exdudes zerd 95 . Cl contans sen contains zero. f. What tybe of error "might" we have mase? [Vou have two artempte at this quevich] We mighe have made a Type t eroc because a thpe 1 error is faling to regect a fase He: We might have made a Trpe ll ervoc, beceuse a Trpe 1 enor is folling to reject a true Ho We might hwoe made a Type 1 erroc, becase a Thpe f error is rejecting a fake it. We mighe have made a Tyge 21 enor, secacte a Type it erier in falling to reject a false Ho. We might have made a Thpe It erroc, becase a Type II error in falling to reject a true He We mighe have made a Type If enoe, becabe a Trpe II erise is rejecting a true He. We mighe heve made a Type tf errot because a Trpe At erter as fegecting a false Hor We might have made ether a Troe I or a Trpe It evor; both are possible. We cannot porsibly have made a Type 1 or a Trpe Il erroe; neither are poosible