Show transcribed image text Hexavalent chromium has been identitled asã€n nhootion carcinogen end an air toxin of concern in numoar ot dimerent locales. An article gave tha aocompanying data on both indaar and outdoor (nanograms/m2] tor sample of houses selected trom a cetain ㎎Qian. 1 2 345 6 79 rncoar 0.06 0.07 0.08 a. 1 1 a. 11 a, 11 a. 12 a. 13 ,14 Outdaor 0.25 0.64 0.43 0.50 0.93 0.31 0.45 0.30 0.82 House 10 11 12 1 1415 16 17 ncoor 0.11 0.16 0.16 0.17 0.17 0.17 0.17 0.18 Outdoor 0.24 0.28 0.2 1.51 0.62 0.25 0.17 0.9 House 18 19 20 21 22 23 24 25 ã€ncoor 0,19 0,21 0,21 0,22 g,22 a,24 0,25 0,27 Outdar 1.55 0,86 0,48 0,08 0,50 0,84 0,45 1,20 26 27 28 20 30 31 32 33 Outdao 0.44 0.23 .33 22 0.66 0.72 .95 .32 [3 Calculate confidence interval art papulatian maan difference between ndoorznd outdoor concentrations,é—ªrdor otober. using confidence level of 9596. Raund your arswers to two decimal places. Interpret the inteval. we can 95% be confident that th tre average concantration of hexavalcnt chromium outdocrs exceeds the true average concentrabon ndoors by an amount out2de the irterval. wì…˜ carrot draw d conclusion from the given information. w츱 can be 95% confident that the true average concentratian of hexavalent chromium utdacrs exceeds the true average concentrston ndoors by tne absalute value of en amourt within th w츱 can 95% be confident that the true average concentration of hexavalent chromium indoors exceeds the tre average concentration outdoors by ar mount out,de the interval. interval. (nanograma/m)
Hexavalent chromium has been identitled asã€n nhootion carcinogen end an air toxin of concern in numoar ot dimerent locales. An article gave tha aocompanying data on both indaar and outdoor (nanograms/m2] tor sample of houses selected trom a cetain ㎎Qian. 1 2 345 6 79 rncoar 0.06 0.07 0.08 a. 1 1 a. 11 a, 11 a. 12 a. 13 ,14 Outdaor 0.25 0.64 0.43 0.50 0.93 0.31 0.45 0.30 0.82 House 10 11 12 1 1415 16 17 ncoor 0.11 0.16 0.16 0.17 0.17 0.17 0.17 0.18 Outdoor 0.24 0.28 0.2 1.51 0.62 0.25 0.17 0.9 House 18 19 20 21 22 23 24 25 ã€ncoor 0,19 0,21 0,21 0,22 g,22 a,24 0,25 0,27 Outdar 1.55 0,86 0,48 0,08 0,50 0,84 0,45 1,20 26 27 28 20 30 31 32 33 Outdao 0.44 0.23 .33 22 0.66 0.72 .95 .32 [3 Calculate confidence interval art papulatian maan difference between ndoorznd outdoor concentrations,é—ªrdor otober. using confidence level of 9596. Raund your arswers to two decimal places. Interpret the inteval. we can 95% be confident that th tre average concantration of hexavalcnt chromium outdocrs exceeds the true average concentrabon ndoors by an amount out2de the irterval. wì…˜ carrot draw d conclusion from the given information. w츱 can be 95% confident that the true average concentratian of hexavalent chromium utdacrs exceeds the true average concentrston ndoors by tne absalute value of en amourt within th w츱 can 95% be confident that the true average concentration of hexavalent chromium indoors exceeds the tre average concentration outdoors by ar mount out,de the interval. interval. (nanograma/m)
