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Parents complain that children read too few storybooks and watch too much television nowadays. A survey of 1,000 children reveals the following information on average time spent watching TV and average time spent reading storybooks.     If the null hypothesis of no connection between time spent watching TV and time spent reading story books is true, how many children watching less than 2 hours of TV and reading no more than 2 hours of story books on average can we expect?        227.23     35.69     262.91     969.75

Parents complain that children read too few storybooks and watch too much television nowadays. A survey of 1,000 children reveals the following information on average time spent watching TV and average time spent reading storybooks.     If the null hypothesis of no connection between time spent watching TV and time spent reading story books is true, how many children watching less than 2 hours of TV and reading no more than 2 hours of story books on average can we expect?        227.23     35.69     262.91     969.75

MATLAB: An Introduction with Applications
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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  1.  Parents complain that children read too few storybooks and watch too much television nowadays. A survey of 1,000 children reveals the following information on average time spent watching TV and average time spent reading storybooks.

     

     

    If the null hypothesis of no connection between time spent watching TV and time spent reading story books is true, how many children watching less than 2 hours of TV and reading no more than 2 hours of story books on average can we expect? 

     

       

    227.23
       

    35.69
       

    262.91
       

    969.75
**Table: Average Time Spent Watching TV vs. Reading Story Books** This table provides a comparison of average time spent watching TV with the average time spent reading story books. The data is organized into different categories based on hours. | Average Time Spent Watching TV | Average Time Spent Reading Story Books | | | |--------------------------------|---------------------------------------------|-----|-----| | | Less than 1 hour | Between 1 and 2 hours | More than 2 hours | | Less than 2 hours | 90 | 85 | 130 | | More than 2 hours | 655 | 32 | 8 | **Explanation:** - **Rows and Columns:** The first column categorizes individuals based on their average time spent watching TV, split into "Less than 2 hours" and "More than 2 hours." The following columns categorize individuals based on their average time spent reading story books, split into "Less than 1 hour," "Between 1 and 2 hours," and "More than 2 hours." - **Data Points:** - For those who watch TV for less than 2 hours, 90 spend less than 1 hour reading, 85 spend between 1 and 2 hours, and 130 spend more than 2 hours reading story books. - For those who watch TV for more than 2 hours, 655 spend less than 1 hour reading, 32 spend between 1 and 2 hours, and 8 spend more than 2 hours reading. This table can be used to understand the relationship between screen time and reading habits.
Transcribed Image Text:**Table: Average Time Spent Watching TV vs. Reading Story Books** This table provides a comparison of average time spent watching TV with the average time spent reading story books. The data is organized into different categories based on hours. | Average Time Spent Watching TV | Average Time Spent Reading Story Books | | | |--------------------------------|---------------------------------------------|-----|-----| | | Less than 1 hour | Between 1 and 2 hours | More than 2 hours | | Less than 2 hours | 90 | 85 | 130 | | More than 2 hours | 655 | 32 | 8 | **Explanation:** - **Rows and Columns:** The first column categorizes individuals based on their average time spent watching TV, split into "Less than 2 hours" and "More than 2 hours." The following columns categorize individuals based on their average time spent reading story books, split into "Less than 1 hour," "Between 1 and 2 hours," and "More than 2 hours." - **Data Points:** - For those who watch TV for less than 2 hours, 90 spend less than 1 hour reading, 85 spend between 1 and 2 hours, and 130 spend more than 2 hours reading story books. - For those who watch TV for more than 2 hours, 655 spend less than 1 hour reading, 32 spend between 1 and 2 hours, and 8 spend more than 2 hours reading. This table can be used to understand the relationship between screen time and reading habits.
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