You intend to estimate a population mean µ with the following sample. 71.6 70.8 77.8 78.1 77.1 72.7 71.2 66.8 81 63.8 70.7 You believe the population is normally distributed. Find the 90% confidence interval. Enter your answer as an open- interval (i.e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place).

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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You intend to estimate a population mean u with the
following sample.
71.6
70.8
77.8
78.1
77.1
72.7
71.2
66.8
81
63.8
70.7
You believe the population is normally distributed. Find the
90% confidence interval. Enter your answer as an open-
interval (i.e., parentheses) accurate to two decimal places
(because the sample data are reported accurate to one
decimal place).
90% C.I. =
Transcribed Image Text:You intend to estimate a population mean u with the following sample. 71.6 70.8 77.8 78.1 77.1 72.7 71.2 66.8 81 63.8 70.7 You believe the population is normally distributed. Find the 90% confidence interval. Enter your answer as an open- interval (i.e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place). 90% C.I. =
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