Sta 2000 Summer 2022 Ca 1 14 9 0 Homework Homework 4 Question 21 Instructor Created Question A Recent Study Found T 1 (39.7 KiB) Viewed 8 times
Sta 2000 Summer 2022 Ca 1 14 9 0 Homework Homework 4 Question 21 Instructor Created Question A Recent Study Found T 2 (34.19 KiB) Viewed 8 times
STA 2000 Summer 2022 CA 1-₂ 14₂9-₂0 Homework: Homework 4 Question 21, Instructor-created question A recent study found that 65 chichen who watched a commercial for potato ches teaturing a celebrity endorser ate a mean of 37 grams of potato chips as compared to a man of 28 grams for 55 chihan who watched a commercial foranteved snack. Suppose that the sample standard deviation for the children who watched the celebrity endorsed commercial was 21.1 grams and the sample standard deviation for the children who watched the atemat food snack comma 12.5 O.C. - M Asuing that the population warenesansequat anda-005, is there evidence that the mean amount of potato chips eaten was significantly higher for the children who watched the celebrity endorsed commerc Let population 1 be the weights of potato chips eaten by children who watched the casety-andorsed commercial and let popuration 2 be the weights of potato chips eaten by children who watched the allemave to shack on What are the nu and starnative hypo around to be decimal places needed) What is the conc Chy.com & Asuming that the population variances are equal, construct a 95% confidence interval estimate of the differences watched the atemave food snack comm DSP- (Type etagers or decimas rounded to two decimal places de Copa and as the reas of (a) and 30. Choose the correct w To the condanna infan Ask my instructor OR OD ya M Hi P-40 CAH₂ There is suficient evidence that the mean amount of potato chips eaten was significantly higher for children who watched the celebrity-endorsed commercial Be There is suficient evidence at the mean amount of potato chips eaten was significantly higher for chidhen who watched the celebrity-andoned commercial OG Rject H, There is sufficient evidence that the mean amount of potato chips eaten was significantly higher for children who watched the celebrity endorsed commercial OD. Drejc H₂ There is sufficient evidence that the mean amount of potato chips eaten was significantly higher for children who watched the celebrity endorsed commercial My Smeet Thakkar 07/05/22 6:03 PM HW Score: 8.24%, 7 of 85 points O Point 0 of 4 between the mean amount of potato chips eaten by the children and watched the certy-andused Save Clear all
Do not pact There is insufficient evidence that the mean amount of potato chips eaten was significantly higher for children who watched the celebrity-endorsed comm b. Assuming that the population variances are equal, construct a 95% confidence interval estimate of the difference watched the alternative food snack commercial - (Type integers or decmais munded to two decimal places as needed) e. Compare and discuss the results of (a) and (b). Choose the correct answer below OA The confidence interval in part (h) does not contain D, which does not agree with the decision made in part (a) to s treject the mul hypothes OB The confidence interval in part (b) contains 0, which does not agree with the decision made in part (x) to reject the rhy OC The condence interval in part the contened, which agrees with the decision made in part (a)) the hypo OD. The confidence verval in part ( does not contain 0, which agrees with the decision made in part (a) to reject the hypothes Of The res cannot be compared, because part (a) a one-tal test and part th) is a confidence interval that is comparable only to the results of a two-tal Based on the rest of (a) and if you wanted to increase the consumption of this brand of potato chips, which commercial would you choose? OA Cho the commercial without the celebrity endorser, since there is evidence that the mean amoure of potato chips eaten was significantly higher tor children who watched the bryanted conten OB. Choose the commercial with the celebrity andoner, since there is evidence that the mean amount of potato chips eaten was significantly lower for children wil weted the cayendorsed o OC Cho the commercial with the celebrity endorser, since there is evidence that the mean amount of potato chips man was significantly higher for children who watched the city and commercial O.0. Chose the commerce without the celebrity endorser, since there is evidence that the mean amount of potato chips eaten was significantly lower for children who watched the attended Ask my instructor esc F1 F2 F3 14 between the mean amount of potato chips eaten by the children who watched the celebrity endorsed con FS F6 bil 16 DD = d Clear all 4 $11 24 112
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