{$5 min. Fire Edit View Hisoory Bookmarks People window Help 5- {D >3 6 m in mom 'I 0 l DoHonework-Morganabb ' 9 Secure https:wawmethxl.comjstudenrjPlayer-Homeworkescx?homeworkld=4'l8225522&ouestionld=1aflushed=faIseecld=4393487ecehterwln=yes ' Mon Apr 17 8:13:09 AM Margm Q " MAT-24-Q4195-1TEW4 Homework: 8-2 MyStatLab: Module Eight Problem Set E Score: 1 of 7 pts 4 I a of 10 (7 complete] v I p Hw Score: 22.56%. 14.67 of 55 pts 69 13.1 .17-T 55 QuastionHelp o- A stock analyst wondered whether the mean rate of return of nancial, energy, and utility stocks differed over the past 5 years. He obtained a simpte random sample at eight mmpanies from each oftha three sectors and obtained the 5year rates of return shown in the accompanying table (in percent). Complete parts (a) through (d) below. a Cllck the icon to View the data table. u. I .0: m mat one ur um \"realm to unremm am: l .1. l'tinanalal - mm dpm'i'l-Es [b] Normal probability plots indicate that the sample data come from normal populations. Are the requirements to use the oneiiirayr ANOVA procedure satised? iigA. Yes, because there are k =3 simple random samples, one from each ofk populations, the k samples are independent at each other, and the populations are normally distributed and have the same variance. . Yes, because there are k = 3 simple random samples, one from each ofk populations, the k samples are independent of each other, and the populations are normally distributed and have different variances. C No, because there are k: 3 simple random samples, one tram each of k populations, the k samples are lndapendant of each other, and the populations are normally distributed and have the same variance. : D. No, because the largest sample standard deviation is more than twice the smallest ample standard deviation. {o} Are the mean rates of return different at the a = 0.05 level oi slgnicanoe'iI Use technologytn nd the Ftest statistic for this data set. FD = 2.08 {Round to two decimal plaoes as needed.) Determine the P-value and state the appropriate conclusion below. Since the Prvalue is , there V enough evidence to reject the null hypothesis. Thus, we V conclude that the mean rates of retum are different at the a= 0.05 levei of signicance. (Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer. 5"} om File Edit View History Bookmarks People Window Help 5 I {D 93 6 m 12 moms- Mon non? 8:13:20AM Morgan 0; -' 'I 0 l DoHormwerk-Morgenabb ' 9 Secure https:wawmethxl.comjstudenrjPIeyer-Homeworkespx?homeworkld=4'l8225522&ouestionld=1aflushed=faIseecld=4393487&cehterwln=yes ' MAT-24-Q4195-1TEW4 Homework: 8-2 MyStatLab: Module Eight Problem Set E Score: 1 of 7 pts 4 I a of 10 (7 complete] v I p Hw Score: 22.56%. 14.67 of 55 pts @ 13.1 .17-T 55 oustionoalp o- A stock analyst wondered whether the mean rate of return of nancial, energy, and utility stocks differed over the past 5 years. He obtained a simpbe random sample of eight mmpanies from each oftha three sectors and obtained the 5year rates of return shown in the accompanying table (in percent). Complete parts (a) through (d) behw. Cllck the icon to View the data table. u. r .0: m mat urrE ur um rrruulla Ia unmmm am: l .1. \"nancial - mm dpm'i'l-Es [b] Normai probability plots indicate that the sample data come from normal populations. Are the requirements to use the onewayr ANOVA procedure satised? iigA. Yes, because there are k =3 simple random samples, one from each cfk populations, the k samples are independent of each other, and the populations are normally distributed and have the same variance. . Yes, because there are k = 3 simple random samples, one from each ofk populations, the k samples are independent of each other, and the populations are normally distributed and have different variances. C No, because there are k: 3 simple random samples, one from each of k populations, the k samples are lndapendant of each other, and the populations are normally distributed and have the same variance. : D. No, because the largest sample standard deviation is more than twice the smallest ample standard deviation. {o} Are the mean rates of return different at the or = 0.05 level oi slgnicanoa'iI Use technologytn nd the Ftest statistic for this data set. FD = 2.08 {Round to two decimal places as needed.) Determine the P-value and state the appropriate conclusion below. Since the Pivalue is , there V enough evidence to reject the null hypothesis. Thus, we V conclude that the mean rates of retum are different at the a= 0.05 levei of signicance. (Round to three decimal places is Enter your answer in the sham on click Check Answer. 7 is not . 5"} om File Edit View History Bookmarks People Window Help 5 I {D 93 6 m 1: momza- Mon non? 8:13:24AM Morgan 0; -' I O C De Homework - Morgan Babb ' 9 Secure https:wawmethxl.comjstudenuPIeyer-Homeworkespx?homeworkld=4'l8225522&ouestionld=1aflushed=iaIseecld=4393487&cehterwln=yes Homework: 8-2 MyStatLab: Module Eight Problem Set Score: 1 of 7 pts 4 @13.1.17-T MAT-24-Q4195-1TEW4 E5 Question Help I a of 10 (7 complete] 7 I p Hw Score: 22.56%. 14.67 of 55 pts 4'} A stock analyst wondered whether the mean rate of return of nancial, energy, and utility stocks differed over the past 5 years. He obtained a simpie random sample of eight mmpanies from each oftha three sectors and obtained the 5year rates of return shown in the accompanying table (in percent). Complete parts (a) through (d) behw. Cllck the icon to View the data table. u. r .0: m mat on: ur ulu uncut-a Ia unuamm am: l .1. \"nancial - mm dpm'i'l-Es [b] Normai probability plots indicate that the sample data come from normal populations. Are the requirements to use the oneweyr ANOVA procedure satised? 22*A . Yes, because there are k =3 simple random samples, one from each ofk populations, the k samples are independent of each other, and the populations are normally distributed and have the same variance. . Yes, because there are k = 3 simple random samples, one from each ofk populations, the k samples are independent of each other, and the populations are normally distributed and have different variances. C No, because there are k: 3 simple random samples, one tram each of k populations, the k samples are lndependant of each other, and the populations are normally distributed and have the same variance. : D. No, because the largest sample standard deviation is more than twice the smallest ample standard deviation. {1:} Are the mean rates of return different at the a = 0.05 level oi slgnicanoa? Use technologytn nd the Ftest statistic for this data set. FD = 2.08 {Round to two decimal plaoes as needed.) Determine the P-value and state the appropriate conclusion below. Since the Pevalue is , there V enough evidence to reject the null hypothesis. Thus, we (Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer. '- conclude that the mean rates of retum are different at the a= 0.05 levei of signicance. 5&3 dis-om Fiie Edit View History Bookmarks People window Help 5 I {D 93 6 m 1: mom .- . I E) . DoHonewerk-Morganabh ' 9 Secure https:wawmethxl.comjstudenuPIeyer-Homeworkespx?homeworkld=4'l8225522&ouestlonld=1aflushed=faIseecld=4393487ecenterwln=yes ' Mon Apr 17 8:13:28 AM Morgan Q " MAT-240-Q4195-1TEW4 Homework: 8-2 MyStatLab: Module Eight Problem Set E Score: 1 of 7 pts 4 I a of 10 (r complete] v I p Hw Score: 22.56%. 14.67 of 55 pts (19 13.1 .17-T 55 oueiionoop o- A stock analyst wondered whether the mean rate of return of nancial, energy, and utility stocks differed over the past 5 years. He obtained a simple random sample oi eight mmpanies from each ofthe three sectors and obtained the 5year rates of return shown in the accompanying table (in percent). Complete parts (a) through (d) behw. Cllck the icon to View the data table. u. i .0. at best one ur m \"real-a is \"mm... mm . .1. \"mm,\" wwwp _ 0 Ftetee of Fteturn [b] Normal probability plots indicate that the sample data come from normal pop A procedure satised? . Yes, because there are k =3 simple random samples, one from each cfk r, and the populations are normally distributed and have the same variance. . Yes, because there are k = 3 simple random samples, one from each ot'k r, and the populations are normally distributed and have different variances. Financial Energy . No, because there are k: 3 simple random samples, one tram each of k t 10173 12139 = , and the populations are normally distributed and have the same variance. . No, because the largest sample standard deviation is more than twice the 1512 13.91 {o} Are the mean rates of return different at the a = 0.05 level at slgntcanoe? \"'21 6'33 5.03 1 123 Use technology to nd the Ftest statistic for this data set. 1950 1333 F0 = 2.08 {Round to two decimal places as needed.) 3'21 20\"\" 10.35 9.60 Determine the P-value and state the appropriate conclusion below. 6.52 17.40 Since the Pavelue is , there V enough evidence to reject the null hypoth ' retum are different at the a= 0.05 levei of signicance. (Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer.