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Select a random sample of 30 student responses to question 6, "How many credit hours are you taking this term?" Using the information from this sample, and assuming that our data set is a random sample of all Kaplan statistics
asked by Anonymous on January 19, 2012 
statistics
My mean is 175.5 My standard deviation is=90.57 Sample=25 Formula to be used: P(X>190)=P((Xmean)/s sqrt of my sample is = 5 (Which is the square root of 25.) (190175.5) / 90.57/5) 14.5/18.114 calculator says
asked by Ann on May 27, 2013 
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A student wanted to know the favorite lunch at a large high school with a closed campus. What is the first step in conducting a statistical study to answer the question? A. Select a random sample of students. B. State the goal of
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The Office of Student Services at a large western state university maintains information on the study habits of its fulltime students. Their studies indicate that the mean amount of time undergraduate students study per week is
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For the manufacturing plant discussed in Exercise 8.10, the union president and the human resources director jointly select a simple random sample of 36 employees to engage in a discussion with regard to the company’s work rules
asked by Samantha on July 25, 2009 
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For the manufacturing plant discussed in Exercise 8.10, the union president and the human resources director jointly select a simple random sample of 36 employees to engage in a discussion with regard to the company’s work rules
asked by Samantha on July 27, 2009 
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8.11) For the manufacturing plant discussed in Exercise 8.10, the union president and the human resources director jointly select a simple random sample of 36 employees to engage in a discussion with regard to the company’s work
asked by Lina on July 23, 2009 
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I have all the answers for c I just need to make sure I am correct. For b I am a little lost. For a I have the answer but I know I am probably wrong. The city of Valley Grove is considering shortening the length of the school day.
asked by Cindy65 on May 11, 2015 
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Question 1 A school psychologist reports that the mean number of hours the students at this school sleep each night is 8 hours. The students believe the mean is not 8 hours. To find an estimate of the true mean, they select a
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The city of Valley Grove is considering shortening the length of the school day. The school board hired Mr. Kent to do a survey to help them decide what to do. What I have to answer: a. Mr. Kent interviewed 54 students as they
asked by help? on March 22, 2019