Suppose that the mean score for the critical reading test cited in Problem 8 is 580. What
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Suppose that the mean score for the critical reading test cited in Problem 8 is 580. What is the probability that a random sample of 500 students will have a mean score of more than 590? Less than 575?
Data from in problem 8
Based upon extensive data from a national high school educational testing program, the standard deviation of national test scores for critical reading was found to be 115 points. If a sample of 500 students are given the test, what would be the standard error of the mean?
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Somshukla Chakraborty
I have a teaching experience of more than 4 years by now in diverse subjects like History,Geography,Political Science,Sociology,Business Enterprise,Economics,Environmental Management etc.I teach students from classes 9-12 and undergraduate students.I boards I handle are IB,IGCSE, state boards,ICSE, CBSE.I am passionate about teaching.Full satisfaction of the students is my main goal.
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