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17. A researcher surveys 50 individuals in Smithville and 40 in 30% of Smithville residents moved last year, while only 22% of Amherst residents did. Is there enough evidence to conclude that mobility rates in the two 0.10. Again, find the communities differ? Use a two-tailed alternative, and a = P-value and00% confidence interval for the difference in proportions. in lovels

17. A researcher surveys 50 individuals in Smithville and 40 in 30% of Smithville residents moved last year, while only 22% of Amherst residents did. Is there enough evidence to conclude that mobility rates in the two 0.10. Again, find the communities differ? Use a two-tailed alternative, and a = P-value and00% confidence interval for the difference in proportions. in lovels

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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May I know Q 17

b. Find the 90% and 95% confidence 100, 426, 322, 466, 112, 155, 388, 1155, 234, 324, 556, 221, 18, 133, 177, 441. 17. A researcher surveys 50 individuals in Smithville and 40 in Amherst, finding that 30% of Smithville residents moved last year, while only 22% of Amherst residents did. Is there enough evidence to conclude that mobility rates in the two communities differ? Use a two-tailed alternative, and a = 0.10. Again, find the p-value and a 90% confidence interval for the difference in proportions. 18. A survey of two towns is carried out to see whether there are differences in levels of education. Town A has a mean of 12.4 years of education among its residents; (Continued)
Transcribed Image Text:b. Find the 90% and 95% confidence 100, 426, 322, 466, 112, 155, 388, 1155, 234, 324, 556, 221, 18, 133, 177, 441. 17. A researcher surveys 50 individuals in Smithville and 40 in Amherst, finding that 30% of Smithville residents moved last year, while only 22% of Amherst residents did. Is there enough evidence to conclude that mobility rates in the two communities differ? Use a two-tailed alternative, and a = 0.10. Again, find the p-value and a 90% confidence interval for the difference in proportions. 18. A survey of two towns is carried out to see whether there are differences in levels of education. Town A has a mean of 12.4 years of education among its residents; (Continued)
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