Suppose I want to know how many primary care physicians (PCPs) that Americans have had in their lifetimes before they turn 30 years old. I select a sample of 10 Americans, each of whom is 30 years old, and ask them how many PCPs they have had in their lifetimes. Number of PCPs in a Life-Time1,3,4,6,10,3,2,1,14,11 What is the median of this distribution? What is the mean of this distribution?

Given data : 1,3,4,6,10,3,2,1,14,11 Arrange in ascending order 1,1,2,3,3,4,6,10,11,14

Answered: Suppose I want to know how many primary…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Suppose I want to know how many primary care physicians (PCPs) that Americans have had in their lifetimes before they turn 30 years old. I select a sample of 10 Americans, each of whom is 30 years old, and ask them how many PCPs they have had in their lifetimes.

Number of PCPs in a Life-Time

1,3,4,6,10,3,2,1,14,11

What is the median of this distribution?

What is the mean of this distribution?

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

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