Answered: Fertility rates for the SADC countries…

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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Fertility rates for the SADC countries represent a sample of world fertility rates (population).
(i) Find the sample mean and standard deviation of the fertility rates.
(ii) Find the population mean and standard deviation of the fertility rates.

(iii) Find the range for the fertilty rates.
(iv) Find the median values for the fertilty rates.
(v) Find the interquartile range for the fertilty rates.

Country	GDP per capita in US dollars (2015)	Fertility Rate (2015)

Angola	7615	5.65
Botswana	17196	2.54
Lesotho	2598	2.94
Malawi	799	5.23
Mozambique	1176	5.04
Namibia	10040	2.95
South Africa	12509	2.34
Swaziland	6095	3.2
Zambia	4034	5.59
Zimbabwe	1801	3.35

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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