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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

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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 4AGP
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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 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.
Transcribed Image Text: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.
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