Use the following sample to estimate a population mean �. 18.4 32.2 33.1 -2.1 36.6 -8 29.4 29.7 48.5 6.4 18.8 5.4 Assuming the population is normally distributed, find the 95% confidence interval about the population mean. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places.95% C.I. =

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Use the following sample to estimate a population mean �.

18.4
32.2
33.1
-2.1
36.6
-8
29.4
29.7
48.5
6.4
18.8
5.4



Assuming the population is normally distributed, find the 95% confidence interval about the population mean. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places.

95% C.I. = 

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