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The histogram below summarizes the grades (out of 50) of all the students who wrote a midterm exam. Number of Students 12 9 35 20 15 10 5 10 15 20 12 25 30 Grade 21 35 30 40 a. How many class intervals were used in the histogram? b. How many students wrote midterm exam? C. What is the modal class? 39 45 21 50 55

The histogram below summarizes the grades (out of 50) of all the students who wrote a midterm exam. Number of Students 12 9 35 20 15 10 5 10 15 20 12 25 30 Grade 21 35 30 40 a. How many class intervals were used in the histogram? b. How many students wrote midterm exam? C. What is the modal class? 39 45 21 50 55

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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The histogram below summarizes the grades (out of 50) of all the students who wrote a midterm exam. 40 35 30 25 20 15 10 5 0 5 10 15 20 12 25 30 Grade 21 35 30 40 39 45 21 50 55 a. 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?
Transcribed Image Text:The histogram below summarizes the grades (out of 50) of all the students who wrote a midterm exam. 40 35 30 25 20 15 10 5 0 5 10 15 20 12 25 30 Grade 21 35 30 40 39 45 21 50 55 a. 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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