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- A manufacturer of floor polish conducted a consumer-preference experiment to determine which of five different floor polishes was the most appealing in appearance. A sample of 100 consumers viewed five patches of flooring that had each received one of the five polishes. Each consumer indicated the patch he or she preferred. The lighting and background were approximately the same for all patches. The results are given below. Solve the following using the p-value approach and solve using the classical approach. Polish A B C D E Total Frequency 26 16 16 21 21 100 (a) Complete the hypothesis test using ? = 0.10. (i) Find the test statistic. (Round your answer to two decimal places.) (ii) Find the p-value. (Round your answer to four decimal places.)A manufacturer of floor polish conducted a consumer-preference experiment to determine which of five different floor polishes was the most appealing in appearance. A sample of 100 consumers viewed five patches of flooring that had each received one of the five polishes. Each consumer indicated the patch he or she preferred. The lighting and background were approximately the same for all patches. The results are given below. Solve the following using the p-value approach and solve using the classical approach. Polish A B C D E Total Frequency 26 16 14 20 24 100 (a) State the hypothesis for "no preference" in statistical terminology. H0: P(A) + P(B) + P(C) + P(D) + P(E) = 1H0: P(x) = P(y) for some x and y H0: P(A) ≠ P(B) ≠ P(C) ≠ P(D) ≠ P(E)H0: P(A) = P(B) = P(C) = P(D) = P(E) = 0.2 (b) What test statistic will be used in testing this null hypothesis? p? ?2tz (c) Complete the hypothesis test using ? = 0.10.(i) Find the test statistic. (Round your answer to two decimal…Consider once more the equation: y = ß0 + ß1x + ε . If we computed this on sample data, then when xi = 0, the predicted value for y would be: a) 0 b) the mean of y c) whatever ε is equal to for the given problem d) ß0 e) a necessarily positive intercept
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- Accountants at the Tucson firm, Larry Youdelman,CPAs, believed that several traveling executives were submittingunusually high travel vouchers when they returned from businesstrips. First, they took a sample of 200 vouchers submitted from the past year. Then they developed the following multiple-regres-sion equation relating expected travel cost to number of days on the road ( x1 ) and distance traveled ( x2 ) in miles:yn = +90.00 + +48.50x1 + +.40x2The coefficient of correlation computed was .68.a) If Donna Battista returns from a 300-mile trip that took herout of town for 5 days, what is the expected amount she shouldclaim as expenses?b) Battista submitted a reimbursement request for $685. Whatshould the accountant do?c) Should any other variables be included? Which ones? Why?For the attached scenario, substitute the t values and complete the table for the attached question 4?Test the null hypothesis that the slope is zero versus the two-sided alternative in the following setting using the alpha=0.05 signifiance level. n=20, yhat=28.5+1.4x, and SEb1=0.65
- If I were to design an experiment to see if students in their 20s can run the mile faster than faculty in their 30s, 40s, 50s, and 60s. How hot it is the moment of the test would be an ___________ variable. If, in the above experiment, only one person were able to run on the track at a time, which strategy would be recommended to minimize the impact of any changing extraneous variables throughout the day? Thank youAnswer the following questions based on the attached MINITAB output Y= Purchased car during the year (yes/no) X1= Family Yearly Income (in thousands) X2= Age of oldest family automobile a) suppose that a family owns a sigle car that is 3 years old and has income of $45000 per year. Provide a statement estimating the chance they'll buy a new car this year. b) Another model using 5 additional variables produced these numbers. WHich models would you choose and why? Deviance Devicance R-sq R-sq (adj) AIC 19.44% 13.98% 40.69 e) Draw whatever concludions seem appropriate about the impact of the age of the families oldest car. Include in your comments any reccomendation for further study that might be appropriate.The following data are the scores of the foreign language students in their weekly assessment: 1,3,7,7,16,21,27,30,31 Solve using Mendelhall and Sincich Method Find: a) Q1 b) Q2 c) Q3