You believe the population is normally distributed. Find the 80% confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to twp decimal places (because the sample data are reported accurate to one decimal place). 80% C.I. =

MATLAB: An Introduction with Applications
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You intend to estimate a population mean u with the following sample.
48.8
39.3
48.1
36.2
45.8
49.3
39.5
36.5
44
44.1
45.6
45.8
You believe the population is normally distributed. Find the 80% confidence interval. Enter your
answer as an open-interval (i.e., parentheses) accurate to twp decimal places (because the sample
data are reported accurate to one decimal place).
80% C.I. =
Answer should be obtained without any preliminary rounding. However, the critical value may be
rounded to 3 decimal places.
Transcribed Image Text:You intend to estimate a population mean u with the following sample. 48.8 39.3 48.1 36.2 45.8 49.3 39.5 36.5 44 44.1 45.6 45.8 You believe the population is normally distributed. Find the 80% confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to twp decimal places (because the sample data are reported accurate to one decimal place). 80% C.I. = Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places.
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