5.The circulation manager of a newspaper wishes to estimate the average number of newspapers andmagazines purchased per household in a given community. The 4,000 households are groupedinto 400 clusters of 10 households each. A SRS of 6 clusters is selected. The total numberof newspapers and magazines read in each cluster of of 10 households is given below.a)Estimate the average number of newspapers and magazines per household for thecommunity. Use both unbiased and ratio estimators.b) Construct a 95% confidence interval for the true population average number ofnewspapers and magazines per household in each case.Cluster1234stTotal Number of newspapers2028162222and magazines read562530

References Aberson, C. L. (2019). Applied power analysis for the behavioral sciences. Routledge.

Answered: 5. The circulation manager of a…

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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a programmer plans to develop a new software system. In planning for the operating system that he will use, he needs to estimate the percentage of computers that use a new operating system. How many computers must be surveyed in order to be 99% confident that his estimate is in error by no more than three percentage points? Complete parts (a) through (c) below. a) Assume that nothing is known about the percentage of computers with new operating systems. n = b) Assume that a recent survey suggests that about 98% of computers use a new operating system.n = c) Does the additional survey information from part (b) have much of an effect on the sample size that is required?
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