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 Manila 2750 COMPUTER OUTPUT: df Makati 3500 3200 3945 2890 2780 3000 3540 2540 3240 2800 2675 2876 t-Test: Two-Sample Assuming Equal Variances At 5% level, is the economist claim true? Assume the variance are equal. Mean Variance Observations Pooled Variance Hypothesized Mean Difference 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 3250 3300 3500 -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 Manila 2750 COMPUTER OUTPUT: df Makati 3500 3200 3945 2890 2780 3000 3540 2540 3240 2800 2675 2876 t-Test: Two-Sample Assuming Equal Variances At 5% level, is the economist claim true? Assume the variance are equal. Mean Variance Observations Pooled Variance Hypothesized Mean Difference 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 3250 3300 3500 -0.637840118 0.266935955 1.761310115 0.53387191 2.144786681 Makati 3174.375 214781.6964 8
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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