Construct a 95% confidence interval for the populátión mean. A sample oT students had mean annual earnings of $3120 and a standard deviation of $677. (Hint: This is a t-distribution). college

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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Construct a 95% confidence interval for the population mean. A sample of 20 college
students had mean annual earnings of $3120 and a standard deviation of $677.
(Hint: This is a t-distribution).
E = t
Transcribed Image Text:Construct a 95% confidence interval for the population mean. A sample of 20 college students had mean annual earnings of $3120 and a standard deviation of $677. (Hint: This is a t-distribution). E = t
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