Each child in a sample of 65 low-income children was administered a language and communication exam. The sentence complexity scores had a mean of 7.64 and a standard deviation of 8.92. Complete parts a through d. a. From the sample, estimate the true mean sentence complexity score of all low-income children. 7.64 (Type an integer or a decimal.) b. Form a 90% confidence interval for the estimate, part a. The 90% confidence interval is (OD (Round to the nearest hundredth as needed.)
Each child in a sample of 65 low-income children was administered a language and communication exam. The sentence complexity scores had a mean of 7.64 and a standard deviation of 8.92. Complete parts a through d. a. From the sample, estimate the true mean sentence complexity score of all low-income children. 7.64 (Type an integer or a decimal.) b. Form a 90% confidence interval for the estimate, part a. The 90% confidence interval is (OD (Round to the nearest hundredth as needed.)
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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![Each child in a sample of 65 low-income children was administered a language and communication exam. The sentence complexity scores had a mean of 7.64 and a standard deviation of 8.92. Complete parts a through d.
a. From the sample, estimate the true mean sentence complexity score of all low-income children.
7.64 (Type an integer or a decimal.)
b. Form a 90% confidence interval for the estimate, part a.
The 90% confidence interval is (I D.
(Round to the nearest hundredth as needed.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa20ae24b-0aea-4080-ba18-d4931b4d96ef%2F421a681a-0025-4828-aab4-3978314030e4%2Fi2dydt9_processed.png&w=3840&q=75)
Transcribed Image Text:Each child in a sample of 65 low-income children was administered a language and communication exam. The sentence complexity scores had a mean of 7.64 and a standard deviation of 8.92. Complete parts a through d.
a. From the sample, estimate the true mean sentence complexity score of all low-income children.
7.64 (Type an integer or a decimal.)
b. Form a 90% confidence interval for the estimate, part a.
The 90% confidence interval is (I D.
(Round to the nearest hundredth as needed.)
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