Suppose 100 country songs were randomly selected, whose mean song length is 4.75 minutes with a standard deviation of 1.10 minutes. It is known that song length of country songs is not normally distributed. Construct a 95% confidence interval for the mean length for all country songs in America. The lower value of the confidence interval is The upper value of the confidence interval is • For the values above, rounding to 1 decimal places. • On your scratch paper: o write down what was entered into your calculator number your scratch work with this question number. o
Suppose 100 country songs were randomly selected, whose mean song length is 4.75 minutes with a standard deviation of 1.10 minutes. It is known that song length of country songs is not normally distributed. Construct a 95% confidence interval for the mean length for all country songs in America. The lower value of the confidence interval is The upper value of the confidence interval is • For the values above, rounding to 1 decimal places. • On your scratch paper: o write down what was entered into your calculator number your scratch work with this question number. o
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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