Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 03 Mar 2018 My Price 7.00

error of estimation

The political scientist in Exercise 8.6 wants to estimate the average test score for a similar high school. She wants the bound on the error of estimation to be less than 2 points. How many classes should she sample? Assume the school has 100 classes in session during each hour.

Exercise 8.6

A political scientist developed a test designed to measure the degree of awareness of current events. She wants to estimate the average score that would be achieved on this test by all students in a certain high school. The administration at the school will not allow the experimenter to randomly select students out of classes in session, but it will allow her to interrupt a small number of classes for the purpose of giving the test to every member of the class. Thus, the experimenter selects 25 classes at random from the 108 classes in session at a particular hour. The test is given to each member of the sampled classes, with results as shown in the accompanying table. Estimate the average score that would be achieved on this test by all students in the school. Place a bound on the error of estimation.

 

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Maurice Tutor
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Status NEW Posted 03 Mar 2018 10:03 PM My Price 7.00

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