20. Consider the following frequency distribution: Interval 1,000 < x≤ 1,100 1,100 < x≤ 1,200 1,200 < x≤ 1,300 1,300 < x≤ 1,400 Frequency 22 38 44 16 a. Construct the relative frequency distribution. What proportion of the observations are more than 1,100 but no more than 1,200? b. Construct the cumulative frequency distribution. How many of the observations are 1,300 or less? c. Construct the cumulative relative frequency distribution. What proportion of the observations are 1,300 or less? More than 1,300?

20. Consider the following frequency distribution: Interval 1,000 < x≤ 1,100 1,100 < x≤ 1,200 1,200 < x≤ 1,300 1,300 < x≤ 1,400 Frequency 22 38 44 16 a. Construct the relative frequency distribution. What proportion of the observations are more than 1,100 but no more than 1,200? b. Construct the cumulative frequency distribution. How many of the observations are 1,300 or less? c. Construct the cumulative relative frequency distribution. What proportion of the observations are 1,300 or less? More than 1,300?

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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