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    anesha1 Posts: 3, Reputation: 1
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    Apr 3, 2010, 12:42 PM
    determine the sampling error if the grade point averages for 10 randomly selected stu
    determine the sampling error if the graded point averages for 10 randomly selected students from a class of 125 students has a mean of x=1.8 . Assume the grade point average of the 125 students has a mean of u=2.2
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    Apr 3, 2010, 02:24 PM

    a random sample of 150 students has a grade point average of 2.86 and with a standard deviation of 0.78. Construct the confidence interval for the population mean,u,if c=0.98
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    Apr 3, 2010, 02:25 PM
    Quote Originally Posted by anesha1 View Post
    a random sample of 150 students has a grade point average of 2.86 and with a standard deviation of 0.78. construct the confidence interval for the population mean,u,if c=0.98
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