A simple random sample of 10 items resulted in a sample mean of 25. The population standard deviation is o = 4. Round your answers to two decimal places. a. What is the standard error of the mean, o? b. At 95% confidence, what is the margin of error?
A simple random sample of 10 items resulted in a sample mean of 25. The population standard deviation is o = 4. Round your answers to two decimal places. a. What is the standard error of the mean, o? b. At 95% confidence, what is the margin of error?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.3: Hyperbolas
Problem 42E
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