using the graph Which of the following are correct?I. The 30th percentile is a test score of about 80.II. About 10% of the students scored above a 40.III. The IQR is about 23. Question 1 options: a) II and III b) III only c) I, II and III d) I and III 5) The following cumulative relative frequency graph describes the distribution of scoreson a recent test for a large introductory statistics class of 67 students.Cumulative relativefrequency (%)10090807060504030201000 10 20 30 40 50 60 70 80 90 100Test ScoreWhich of the following are correct?1. The 30th percentile is a test score of about 80.II. About 10% of the students scored above a 40.III. The IQR is about 23.

Answered: using the graph Which of the following…

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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Related questions

Question

using the graph Which of the following are correct?

I. The 30th percentile is a test score of about 80.

II. About 10% of the students scored above a 40.

III. The IQR is about 23.

Question 1 options:

a)	II and III

III only

c)	I, II and III

I and III

5) The following cumulative relative frequency graph describes the distribution of scores
on a recent test for a large introductory statistics class of 67 students.
Cumulative relative
frequency (%)
100
90
80
70
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
Test Score
Which of the following are correct?
1. The 30th percentile is a test score of about 80.
II. About 10% of the students scored above a 40.
III. The IQR is about 23.

Expert Solution

Introduction

Graphs are used to visualize the larger number of data set. Each graph used for specific purpose and some specific types of variables. Percentile is the measure that divide the whole data set into 100 equal parts with 99 points. Inter quartile range is calculated by subtracting the quartile 3 and quartile 1.