A random sample of 149 students has a test score average of 61 with a standard deviation of 10. Find

Discussion in 'Calculator Requests' started by math_celebrity, May 3, 2020.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    A random sample of 149 students has a test score average of 61 with a standard deviation of 10. Find the margin of error if the confidence level is 0.99. (Round answer to two decimal places)

    Using our confidence interval of the mean calculator, we get
    58.89 < u < 63.11
     
    math_celebrity, May 3, 2020
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