4.Nina had the following positive numbers: 7x, 12x, 5x, 8x, x and 4x where x is apositive integer. The median of these numbers was 72.a) Show that the value of x is 12 (be careful, simple).b) Using the value of x found in 'a', calculate the mean of these numbers.

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Answered: 4. Nina had the following positive…

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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4. Nina had the following positive numbers: 7x, 12x, 5x, 8x, x and 4x where x is a positive integer. The median of these numbers was 72. a) Show that the value of x is 12 (be careful, simple). b) Using the value of x found in 'a', calculate the mean of these numbers.