Question

Tne fallowing data rapresent the pH c rain for a rancom sample ot 12 ran dates. A normal prabablity plot suggests tha data could come trom a populabon that is narmally diatnbuned. A boxplot indicates tere สผู no outiers Complete parts ส) trough d,below. 4.BU 5.30 5.02 5.72 Cick the iccn to visw thc tablc of cnitical t values (a) Dararmne a pointestmate for tha populahion mean paint astimate for the Round tw twa decimal places s needed (b) Construct and interpreta 95% contdance nenal forte moan pl ct rariwater. Seloct the correct choice balaw and il n to answer boxes to complete your choce. Use ascedig onder Round to two decima pkaces as needed) OB. There isa 95% probabltyhat the true mean pil of rain wataris between .ndl (c) Uonstruct and nterprat a yy% conhdence intarval tor tha mean pH of ranwater select the correct choca below ard tilin tha answer bares to complete your chace Use ascending onder Round to two decima places as needed) OA. If repeated sarmles are taker gg%ofthem wil havuasample pHofranwater between OB. Inere isag9% probabity tat the true mean pHat ran water s between Elands and (d) What happana to the iterval a the laval o cadance changd Eplanwhy this is a logical reauh

Answer 1

Selution barm ple mean (%) 6012|ニ5.066 1 2- らTha 12 5M66土0-32 72ニ(w7329/ 5.3932) (C of九ann alz九めbetween @ 74, 6.WO) the amanbl also noomased