Social networking is becoming more and more popular around the world. Pew Research Center used a survey of adults in several countries to determine the percentage of adults who use social networking sites (USA Today, February 8, 2012). Assume that the results for surveys in Great Britain, Israel, Russia and United States are as follows.CountryUse SocialGreatUnitedNetworking SitesBritainIsraelRussiaStatesYes344265301500No456235399500a. Conduct a hypothesis test to determine whether the proportion of adults using social networking sites equal for all four countries. Using a .05 level of significance. Use Table 12.4.1. H, P + P, = P; = P.2. H, P = P: = P, = P.3. H, P, * P: = P, P,Choose correct answer from above choiceSelect your answer - VH a:- Select your answerThe p-value is - Select your answer -What is your conclusion?|- Select your answer -b. What are the sample proportions for each of the four countries? Round your answers to two decimal places.Great BritainIsraelRussiaUnited StatesWhich country has the largest proportion of adults using social networking sites?- Select your answer -v c. Using a .05 level of significance, conduct multiple pairwise comparison tests among the four countries. Round p i, Piand Diff to two decimal places. Round CV ji to four decimal places.ComparisonDiffn 2C ijDiff > CV ijPiPj1 חGB vs I- Select your answer -GB vs R- Select your answer - vGB vs USA- Select your answer - vI vs R- Select your answer - VI vs USASelect your answer -vR vs USA- Select your answer -What is your conclusion?- Select your answer -

Answered: Country Use Social Great United…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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please use calculator method and include p values
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Using the General Social Survey of 2012, determine if there is sufficient evidence to infer that the average American watches more than 24 hours per week, which is 3 hours per day (TVHOURS). Use a 5% significance level for all tests.ONLY USE EXCEL AND PLEASE SHOW ALL STEPS AND EXCEL COMMANDS. ?0:?=3 ?1:?>3 ID AGE SEX DEGREE HRS1 WRKSLF TVHOURS 55088 22 1 3 15 2 1 55089 21 1 1 30 2 55090 42 1 1 60 2 55091 49 2 1 2 4 55092 70 2 3 2 3 55093 50 2 3 2 4 55094 35 2 2 2 3 55095 24 2 0 55096 28 2 0 55097 28 2 3 40 2 55098 55 1 0 2 6 55099 36 2 3 20 2 55100 28 2 1 55101 59 2 1 2 2 55102 52 1 0 32 2 2 55103 35 2 1 53 2 55104 36 1 1 60 2 2 55105 47 2 1 40 2 3 55106 55 1 1 40 2 55107 18 2 1 5 55108 76 2 0 2 55109 39 1 0 12 2 55110 54 1 2 40 2 3 55111 45 2 2 40 2 0 55112 71 1 1 2 2 55113 42 2 3 75 2 55114 22 1 1 40 2 2 55115 50 1 0 8 55116 81 2 3 2 4 55117 44 2 1…
An interior decorator wants to compare the prices at 2 stores to see if their mean prices are significantly different. She gathers the prices at each store on the same 26 items (from bath mats to window curtains). • What kind of hypotheisis test is this? 2 Means Matched Pairs t-test O 1 Mean t-test 2 Independent Means t-test O 1 Proportion z-test O 2 Proportions z-test • Which hypotheses do we want to test? O Họ: H1 = P2 HA: H1> H2 O Họ: H1 = H2 HA: H1# H2 O Ho: H1= H2 HA: H1 = H2 O Ho: H1 = P2 HA: H1< H2
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