Use the following information to answer all questions in this exam. In a recent survey, it...
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Use the following information to answer all questions in this exam. In a recent survey, it was stated that Americans spend an average screen time of 5.4 hours per day. Another surveyor wanted to know if the average time Bellingham residents spend on their screens is different. The surveyor observed a random sample of 18 individuals. Each individual in the sample gave their average sum-total screen time hours per day across all devices and these data points were listed in the following table: 5.1 4.9 4.8 3.6 2 7.6 5.1. 5.1 7.1 3.4 4.5 4.1 4.2 5.7 5.8 7.9 7 5.4 Assume the underlying distribution is normally distributed. D D Question 9 What is the test statistic? Round to three (3) decimal places. -0.566 Question 10 What is the p-value? Round your answer to four (4) decimal places 0.5788 Question 8 What distribution should be used for the test? Standard Normal Distribution O Student's-T distribution with 17 degrees of freedom, otherwise denoted as t17 Student's-T distribution with 18 degrees of freedom Student's-T distribution with 5.1833 degrees of freedom 5 pts Question 11 Choose the correct option for each blank space in the statement that follows: If Ho is true and another survey of [Select] Bellingham residents are observed, then there is a [Select] chance that the [Select] [Select] ✓is [Select] hours per day of screen time. randomly selected % 5 pts Use the following information to answer all questions in this exam. In a recent survey, it was stated that Americans spend an average screen time of 5.4 hours per day. Another surveyor wanted to know if the average time Bellingham residents spend on their screens is different. The surveyor observed a random sample of 18 individuals. Each individual in the sample gave their average sum-total screen time hours per day across all devices and these data points were listed in the following table: 5.1 4.9 4.8 3.6 2 7.6 5.1. 5.1 7.1 3.4 4.5 4.1 4.2 5.7 5.8 7.9 7 5.4 Assume the underlying distribution is normally distributed. D D Question 9 What is the test statistic? Round to three (3) decimal places. -0.566 Question 10 What is the p-value? Round your answer to four (4) decimal places 0.5788 Question 8 What distribution should be used for the test? Standard Normal Distribution O Student's-T distribution with 17 degrees of freedom, otherwise denoted as t17 Student's-T distribution with 18 degrees of freedom Student's-T distribution with 5.1833 degrees of freedom 5 pts Question 11 Choose the correct option for each blank space in the statement that follows: If Ho is true and another survey of [Select] Bellingham residents are observed, then there is a [Select] chance that the [Select] [Select] ✓is [Select] hours per day of screen time. randomly selected % 5 pts
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Question 9 Test statistic The test statistic is calculated as Sample Mean Population Mean Standard ... View the full answer
Related Book For
Fundamental Accounting Principles Volume II
ISBN: 978-1259066511
14th Canadian Edition
Authors: Larson Kermit, Jensen Tilly
Posted Date:
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