A study of a new type of vision screening test recruited a sample of 175 children age 3 to 7 years. The publication provides the following summary of the children’s ages: “Twelve patients (7%) were 3 years old; 33 (19%), 4 years old; 29 (17%), 5 years old; 69 (39%), 6 years old; and 32 (18%), 7 years old.”6 What is the median age in the study? Notice that you can easily add up the percents provided in

A study of a new type of vision screening test recruited a sample of 175 children age 3 to 7 years. The publication provides the following summary of the children’s ages: “Twelve patients (7%) were 3 years old; 33 (19%), 4 years old; 29 (17%), 5 years old; 69 (39%), 6 years old; and 32 (18%), 7 years old.”6 What is the median age in the study? Notice that you can easily add up the percents provided in

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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Question

What is the median age in the study? Notice that you can easily add up the percents provided in parentheses (in increasing order of age) until the total just exceeds 50%.

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