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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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7.29 7.30 Chapter 7: Section Exercises campus asking those students that you meet how old they are. Would this result in an unbiased sample? Proportion of Odd Digits A large collection of one-digit random numbers should have about 50% odd and 50% even digits, because five of the ten digits are odd (1, 3, 5, 7, and 9) and five are even (0, 2, 4, 6, and 8). a. Find the proportion of odd-numbered digits in the following lines from a random number table. Count carefully. 55185 89281 74834 369 48134 81172 71185 b. Does the proportion found in part a represent p (the sample proportion) or (the population proportion)? c. Find the error in this estimate, the difference between p and p (or p-p). Proportion of Odd Digits 1, 3, 5, 7, and 9 are odd and 0, 2, 4, 6, and 8 are even. Consider a 30-digit line from a random number table.
Transcribed Image Text:7.29 7.30 Chapter 7: Section Exercises campus asking those students that you meet how old they are. Would this result in an unbiased sample? Proportion of Odd Digits A large collection of one-digit random numbers should have about 50% odd and 50% even digits, because five of the ten digits are odd (1, 3, 5, 7, and 9) and five are even (0, 2, 4, 6, and 8). a. Find the proportion of odd-numbered digits in the following lines from a random number table. Count carefully. 55185 89281 74834 369 48134 81172 71185 b. Does the proportion found in part a represent p (the sample proportion) or (the population proportion)? c. Find the error in this estimate, the difference between p and p (or p-p). Proportion of Odd Digits 1, 3, 5, 7, and 9 are odd and 0, 2, 4, 6, and 8 are even. Consider a 30-digit line from a random number table.
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