SHOW COMPLETE SOLUTIONS Direction:Perform hypothesis testing. Show all the steps and solutions.Note: Excel / Stat computation (Output) is already provided to you.An economist believed that the weekly consumption of food purchased by families with5 members from two cities, Manila and Makati are different. A random sample of 8families were chosen from each city. The result are as followsWeekly food purchase in pesosManila 2750 3240Makati 3500 3200 3945 2890 2780 3000 3540 2540COMPUTER OUTPUT:At 5% level, is the economist claim true? Assume the variance are equal.t-Test: Two-Sample Assuming Equal VariancesMeanVarianceObservationsdfPooled VarianceHypothesized Mean Differencet Stat2800 2675 2876 3250 3300 3500P(T<=t) one-tailt Critical one-tailP(T<=t) two-tailt Critical two-tailManila3048.87594927.267868154854.4821014-0.6378401180.2669359551.7613101150.533871912.144786681Makati3174.375214781.69648

It is given that a random sample of 8 families were chosen from each city.

Direction: Perform hypothesis testing. Show all the steps and solutions. Note: Excel / Stat computation (Output) is already provided to you. An economist believed that the weekly consumption of food purchased by families with 5 members from two cities, Manila and Makati are different. A random sample of 8 families were chosen from each city. The result are as follows Weekly food purchase in pesos 3240 2800 2675 2876 3250 3300 3500 Manila 2750 Makati 3500 3200 3945 2890 2780 3000 3540 2540 At 5% level, is the economist claim true? Assume the variance are equal. COMPUTER OUTPUT: t-Test: Two-Sample Assuming Equal Variances Mean Variance Observations Pooled Variance Hypothesized Mean Difference df t Stat P(T<=t) one-tail t Critical one-tail P(T<=t) two-tail t Critical two-tail Manila 3048.875 94927.26786 8 154854.4821 0 14 -0.637840118 0.266935955 1.761310115 0.53387191 2.144786681 Makati 3174.375 214781.6964 8

Direction: Perform hypothesis testing. Show all the steps and solutions. Note: Excel / Stat computation (Output) is already provided to you. An economist believed that the weekly consumption of food purchased by families with 5 members from two cities, Manila and Makati are different. A random sample of 8 families were chosen from each city. The result are as follows Weekly food purchase in pesos 3240 2800 2675 2876 3250 3300 3500 Manila 2750 Makati 3500 3200 3945 2890 2780 3000 3540 2540 At 5% level, is the economist claim true? Assume the variance are equal. COMPUTER OUTPUT: t-Test: Two-Sample Assuming Equal Variances Mean Variance Observations Pooled Variance Hypothesized Mean Difference df t Stat P(T<=t) one-tail t Critical one-tail P(T<=t) two-tail t Critical two-tail Manila 3048.875 94927.26786 8 154854.4821 0 14 -0.637840118 0.266935955 1.761310115 0.53387191 2.144786681 Makati 3174.375 214781.6964 8

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 1E

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