The advocacy group Consumers Concerned About Cereal Cheaters (CCACC) suspects that cereal companies, including Oxford Cereals, are cheating consumers by packaging cereals at less than labeled weights. Recently, the group investigated the package weights of two popular Oxford brand cereals. Open CCACC.pdf to examine the group’s claims and supporting data,and then answer the following questions:Are the data collection procedures that the CCACC uses to form its conclusions flawed? What procedures could the group follow to make its analysis more rigorous?Assume that the two samples of five cereal boxes (one sample for each of two cereal varieties) listed on the CCACC website were collected randomly by organization members. For each sample,calculate the sample mean.assuming that the standard deviation of the process is 15 grams and the population mean is 368 grams, calculate the percentage of all samples for each process that have a sample mean less than the value you calculated in (a).Assuming that the standard deviation is 15 grams, calculate the percentage of individual boxes of cereal that have a weight less than the value you calculated in (a).What, if any, conclusions can you form by using your calcula-tions about the filling processes for the two different cereals?A representative from Oxford Cereals has asked that the CCACC take down its web page discussing shortages in Oxford Cereals boxes. Is this request reasonable? Why or why not?Can the techniques discussed in this chapter be used to prove cheating in the manner alleged by the CCACC? Why or why not? PDF CCACC.pdf:=1 of 283°FPartly sunnyCCACCConsumers Concerned About Cereal CheatersWe at the CCACC of Springville are committed to exposing fraudsin the packaged cereal industry. Recently, we were disappointedto discover that Oxford Cereals has been producing boxes ofcereal that had less cereal than claimed on their boxes.Oxford 0's results:Specifically, CCACC members discovered shortages in two popularcereals: Oxford 0's and Alpine Granola Frosted Flakes withVitamins & Minerals. One member thought her box of Oxford'sPennsylvania Dutch-Style Chocolate Brownie Morning Squares wasshort, but her son had opened the box and had starting eatingthat cereal before we could weigh the box. We did not collectany data on the other Oxford cereals because none of our membersregularly buy those varieties.QFor our investigation, members of our group went to theirfavorite stores and bought 368-gram size boxes of 0's and AlpineGranola Frosted Flakes (about 13 ounces). Boxes were then takenhome and weighed.374372370368366364362360358356354(D1360.4AOxford O's2361.83362.3Box Number and Weightul4364.2D5371.4Continued...CPDFברS5:55 PM9/1/2022503 PDF CCACC.pdf:=2 of 281°FSunnyGramsAlpine Granola Frosted Flakes results:376374372370368and3365.6Box Number and Weight366364362360(D AConsumers Concerned About Cereal Cheaters Page 21366.1Alpine Granola Frosted Flakes2367.24367.85373.5ברWe call on Oxford Cereals president Whitney Lagata to make apublic apology and for Oxford Cereals to issue refunds to allconsumers!CIf you know of other cases of cereal company cheaters please letus know by e-mail or visit us any Saturday by the big weatherballoon display in the Village Mall.PDF2037:32 PM9/1/2022

Question

The advocacy group Consumers Concerned About Cereal Cheaters (CCACC) suspects that cereal companies, including Oxford Cereals, are cheating consumers by packaging cereals at less than labeled weights. Recently, the group investigated the package weights of two popular Oxford brand cereals. Open CCACC.pdf to examine the group’s claims and supporting data,and then answer the following questions:Are the data collection procedures that the CCACC uses to form its conclusions flawed? What procedures could the group follow to make its analysis more rigorous?Assume that the two samples of five cereal boxes (one sample for each of two cereal varieties) listed on the CCACC website were collected randomly by organization members. For each sample,calculate the sample mean.assuming that the standard deviation of the process is 15 grams and the population mean is 368 grams, calculate the percentage of all samples for each process that have a sample mean less than the value you calculated in (a).Assuming that the standard deviation is 15 grams, calculate the percentage of individual boxes of cereal that have a weight less than the value you calculated in (a).What, if any, conclusions can you form by using your calcula-tions about the filling processes for the two different cereals?A representative from Oxford Cereals has asked that the CCACC take down its web page  discussing shortages in Oxford Cereals boxes. Is this request reasonable? Why or why not?Can the techniques discussed in this chapter be used to prove cheating in the manner alleged by the CCACC? Why or why not? PDF CCACC.pdf:=1 of 283°FPartly sunnyCCACCConsumers Concerned About Cereal CheatersWe at the CCACC of Springville are committed to exposing fraudsin the packaged cereal industry. Recently, we were disappointedto discover that Oxford Cereals has been producing boxes ofcereal that had less cereal than claimed on their boxes.Oxford 0's results:Specifically, CCACC members discovered shortages in two popularcereals: Oxford 0's and Alpine Granola Frosted Flakes withVitamins & Minerals. One member thought her box of Oxford'sPennsylvania Dutch-Style Chocolate Brownie Morning Squares wasshort, but her son had opened the box and had starting eatingthat cereal before we could weigh the box. We did not collectany data on the other Oxford cereals because none of our membersregularly buy those varieties.QFor our investigation, members of our group went to theirfavorite stores and bought 368-gram size boxes of 0's and AlpineGranola Frosted Flakes (about 13 ounces). Boxes were then takenhome and weighed.374372370368366364362360358356354(D1360.4AOxford O's2361.83362.3Box Number and Weightul4364.2D5371.4Continued...CPDF>בר>S5:55 PM9/1/2022503 PDF CCACC.pdf:=2 of 281°FSunnyGramsAlpine Granola Frosted Flakes results:376374372370368and3365.6Box Number and Weight366364362360(D AConsumers Concerned About Cereal Cheaters Page 21366.1Alpine Granola Frosted Flakes2367.24367.85373.5ברWe call on Oxford Cereals president Whitney Lagata to make apublic apology and for Oxford Cereals to issue refunds to allconsumers!CIf you know of other cases of cereal company cheaters please letus know by e-mail or visit us any Saturday by the big weatherballoon display in the Village Mall.PDF2037:32 PM9/1/2022

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