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You are volunteering for a local nonprofit organization whose mission is to improve child literacy. This organization has asked for your help gathering information on the reading activities that local children engage in. 1. For each of the following scenarios, state the null and alternative hypotheses. Scenario A: You read in a report that preschool-aged children have on average 5.2 books at home. You are concerned that children in your community have fewer books. Scenario B: The nonprofit recently engaged in a campaign to encourage elementary school children to read more. A previous study found that children in your community read in their free time for 48 minutes per day on average. You would like to find out whether the time spent reading among elementary school students increased after the campaign. Scenario C: Your local public library reported last year that the average number of children visiting the library each day was 77. You would like to test whether that has changed.

You are volunteering for a local nonprofit organization whose mission is to improve child literacy. This organization has asked for your help gathering information on the reading activities that local children engage in. 1. For each of the following scenarios, state the null and alternative hypotheses. Scenario A: You read in a report that preschool-aged children have on average 5.2 books at home. You are concerned that children in your community have fewer books. Scenario B: The nonprofit recently engaged in a campaign to encourage elementary school children to read more. A previous study found that children in your community read in their free time for 48 minutes per day on average. You would like to find out whether the time spent reading among elementary school students increased after the campaign. Scenario C: Your local public library reported last year that the average number of children visiting the library each day was 77. You would like to test whether that has changed.

ENGR.ECONOMIC ANALYSIS
ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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You are volunteering for a local nonprofit organization whose mission is to improve child literacy. This organization has asked for your help gathering information on the reading activities that local children engage in. 1. For each of the following scenarios, state the null and alternative hypotheses. Scenario A: You read in a report that preschool-aged children have on average 5.2 books at home. You are concerned that children in your community have fewer books. Scenario B: The nonprofit recently engaged in a campaign to encourage elementary school children to read more. A previous study found that children in your community read in their free time for 48 minutes per day on average. You would like to find out whether the time spent reading among elementary school students increased after the campaign. Scenario C: Your local public library reported last year that the average number of children visiting the library each day was 77. You would like to test whether that has changed.
Transcribed Image Text:You are volunteering for a local nonprofit organization whose mission is to improve child literacy. This organization has asked for your help gathering information on the reading activities that local children engage in. 1. For each of the following scenarios, state the null and alternative hypotheses. Scenario A: You read in a report that preschool-aged children have on average 5.2 books at home. You are concerned that children in your community have fewer books. Scenario B: The nonprofit recently engaged in a campaign to encourage elementary school children to read more. A previous study found that children in your community read in their free time for 48 minutes per day on average. You would like to find out whether the time spent reading among elementary school students increased after the campaign. Scenario C: Your local public library reported last year that the average number of children visiting the library each day was 77. You would like to test whether that has changed.
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