A sample of 50 student ages is taken from a bell-shaped population with a mean age (µ) of 21.2 years and standard deviation (o) of 2.8 years. Using the empirical rule, approximately 68% of the sample mean student ages (x) to 1 decimal place should be found in the interval between: A) 18.4 years and 24.0 years B) 20.4 years and 22.0 years C) 15.6 years and 26.8 years D) 20.8 years and 21.6 years E) 20.0 years and 22.4 years
A sample of 50 student ages is taken from a bell-shaped population with a mean age (µ) of 21.2 years and standard deviation (o) of 2.8 years. Using the empirical rule, approximately 68% of the sample mean student ages (x) to 1 decimal place should be found in the interval between: A) 18.4 years and 24.0 years B) 20.4 years and 22.0 years C) 15.6 years and 26.8 years D) 20.8 years and 21.6 years E) 20.0 years and 22.4 years
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 4CYU
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