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Question 15 1. Find the 90% condence interval for the variance and standard deviation of the ages of seniors at Oak Park College if a

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Question 15 1. Find the 90% condence interval for the variance and standard deviation of the ages of seniors at Oak Park College if a random sample of 24 students has a standard deviation of 2.3 years. Assume the variable is normally,Ir distributed Use same rounding rules as the exercise above. f right: Blank 1 f left: Blank 2 Variance Interval: Blank 3 v: o2

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