The histogram below summarizes the grades (out of 50) of all the students who wrote a midterm exam.40353025201510505101520122530Grade213530403945215055a.How many class intervals were used in the histogram?b. How many students wrote midterm exam?C.What is the modal class?d. What is the midpoint of the last class interval?e. How many students scored between above 15 but no more than 20?f. What percent of students scored above 40?g. What percent of students scored no more than 30?h. Is it possible to determine individual student grades from this histogram?

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Answered: Histo Number of Students 20 15 10 12 25…

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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Histo Number of Students 20 15 10 12 25 30 Grade 21 35 a. How many class intervals were used in the histogram? b. How many students wrote midterm exam? C. What is the modal class? 39 21