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this theory and samples families with young children. They find the following results. Construct a 95 % confidence interval to estimate the true difference between the proportions of children who read at an early age when they are read to frequently compared to those who were read to less often, as described in the table of results. Let Population 1 be the children who were read to frequently and Population 2 be the children who were read to less often. Round the endpoints of the interval to three decimal places, if necessary. Ages when Children Begin to Read Read to at Least Three Times per Week Read to Fewer than Three Times per Week Started Reading by age 4 31 58 Started Reading after age 4 48 31 Answer I Tables Кеурad Keyboard Shortcuts Lower Endpoint = Upper Endpoint =

this theory and samples families with young children. They find the following results. Construct a 95 % confidence interval to estimate the true difference between the proportions of children who read at an early age when they are read to frequently compared to those who were read to less often, as described in the table of results. Let Population 1 be the children who were read to frequently and Population 2 be the children who were read to less often. Round the endpoints of the interval to three decimal places, if necessary. Ages when Children Begin to Read Read to at Least Three Times per Week Read to Fewer than Three Times per Week Started Reading by age 4 31 58 Started Reading after age 4 48 31 Answer I Tables Кеурad Keyboard Shortcuts Lower Endpoint = Upper Endpoint =

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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**Text Transcription:** **Early-childhood-development studies** indicate that the more often a child is read to from birth, the earlier the child begins to read. A local parents' group wants to test this theory and samples families with young children. They find the following results. Construct a 95% confidence interval to estimate the true difference between the proportions of children who read at an early age when they are read to frequently compared to those who were read to less often, as described in the table of results. Let Population 1 be the children who were read to frequently and Population 2 be the children who were read to less often. Round the endpoints of the interval to three decimal places, if necessary. **Table: Ages when Children Begin to Read** | | Read to at Least Three Times per Week | Read to Fewer than Three Times per Week | |-----------------------------|--------------------------------------|----------------------------------------| | Started Reading by age 4 | 31 | 58 | | Started Reading after age 4 | 48 | 31 | **Answer:** - **Lower Endpoint =** [Blank] - **Upper Endpoint =** [Blank] **Explanation of Structure:** The text consists of an introductory paragraph leading into a table that displays data on the effect of reading frequency on the early reading ability of children. The table specifically compares children who started reading by age 4 and those who started reading after age 4 based on the frequency of reading (more or less than three times per week). Finally, two blank fields labeled "Lower Endpoint" and "Upper Endpoint" indicate where a 95% confidence interval calculation is to be entered, based on the data provided in the table.
Transcribed Image Text:**Text Transcription:** **Early-childhood-development studies** indicate that the more often a child is read to from birth, the earlier the child begins to read. A local parents' group wants to test this theory and samples families with young children. They find the following results. Construct a 95% confidence interval to estimate the true difference between the proportions of children who read at an early age when they are read to frequently compared to those who were read to less often, as described in the table of results. Let Population 1 be the children who were read to frequently and Population 2 be the children who were read to less often. Round the endpoints of the interval to three decimal places, if necessary. **Table: Ages when Children Begin to Read** | | Read to at Least Three Times per Week | Read to Fewer than Three Times per Week | |-----------------------------|--------------------------------------|----------------------------------------| | Started Reading by age 4 | 31 | 58 | | Started Reading after age 4 | 48 | 31 | **Answer:** - **Lower Endpoint =** [Blank] - **Upper Endpoint =** [Blank] **Explanation of Structure:** The text consists of an introductory paragraph leading into a table that displays data on the effect of reading frequency on the early reading ability of children. The table specifically compares children who started reading by age 4 and those who started reading after age 4 based on the frequency of reading (more or less than three times per week). Finally, two blank fields labeled "Lower Endpoint" and "Upper Endpoint" indicate where a 95% confidence interval calculation is to be entered, based on the data provided in the table.
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