Unformatted text preview: he alternative hypothesis, but you can never conclude that the null hypothesis is true. The strongest support you ever give to the null hypothesis is to say that you cannot reject it. It is always wise to indicate that the conclusion was based on sample data. Remember to include the P
value at the end of the conclusion. 4 State a conclusion for the bottled water problem: A Using the P
value above and the level of significance, what can you conclude about the null hypothesis? B What can you conclude about the alternative hypothesis? C Interpret your decision in the context of the problem. INTRODUCTION TO PART 2 Political Polling According to CIVIC (www.civicyouth.org) 68% of young people (those aged 18
29) who voted in the 2008 presidential election voted for Barack Obama. Much has changed since 2008, so statisticians and political pundits question whether youth support has changed. A recent poll found that among a random sample of 60 youth who intend to vote, 35 said they support Barack Obama. Conduct a hypothesis test, at the 5% level of significance, to determine © 2011 THE CARNEGIE FOUNDATION FOR THE ADVANCEMENT OF TEACHING A PATHWAY THROUGH STATISTICS, VERSION 1.6, STATWAY™
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 Spring '14

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