To which of the histograms below can the boxplot correspond? 10 20 30 40 50 60 (A) (B) (C) (D) (E) 10 21) A study is conducted relating AP Statistics exam scores to the total number of study hours for the AP put in by students during the academic year, and the correlation is found to be 6, which of the following is a true statement? P Statistics class (A) On average, a 40 percent increase in study time results in a 24 percent increase in exam score. (B) On average, a 60 percent increase in study time results in a 100 percent increase in exam score. (C) Sixty percent of a student's exam score can be explained by the number of study hours. (D) Sixty percent of the variation in exam scores can be accounted for by this linear regression model. (E) Sixty percent of a student's study hours can be explained by a student's exam score. 22) Research indicates that the standard deviation of typical body temperate is 0.4 degrees Celsius (C). Which of the following represents the standard deviation of typical human body temperature in degrees Fahrenheit (F), where (A) (B) (C) (D) (E) 23) Which of the following is a true statement about the correlation coefficient r? (A) A correlation of 3 means that 30 percent of the points are highly correlated. (B) The square of the correlation measures the proportion of the y-variance that is predictable from a knowledge of x. (C) Perfect correlation, that is, when the points lie exactly on a straight line, results in r=0 (D) Multiplying every y-value by -1 leaves the correlation unchanged. (E) The unit of measurement for correlation is the y-unit per x-unit. 24) An AP Statistics teacher grades using z-scores. On the second major exam of the marking period, a student receives a grade with a z-score of -1.3. What is the correct interpretation of this grade? (A) The student's grade went down 1.3 points from the first exam. (B) The student's grade went down 1.3 points more than the average grade went down from the first exam. (C) The student scored 1.3 standard deviations lower on the second exam than on the first. (D) The student scored 1.3 standard deviations lower on the second exam than the class average on the first exam. (E) The student scored 1.3 standard deviations lower on the second exam than the class average on the second exam.
To which of the histograms below can the boxplot correspond? 10 20 30 40 50 60 (A) (B) (C) (D) (E) 10 21) A study is conducted relating AP Statistics exam scores to the total number of study hours for the AP put in by students during the academic year, and the correlation is found to be 6, which of the following is a true statement? P Statistics class (A) On average, a 40 percent increase in study time results in a 24 percent increase in exam score. (B) On average, a 60 percent increase in study time results in a 100 percent increase in exam score. (C) Sixty percent of a student's exam score can be explained by the number of study hours. (D) Sixty percent of the variation in exam scores can be accounted for by this linear regression model. (E) Sixty percent of a student's study hours can be explained by a student's exam score. 22) Research indicates that the standard deviation of typical body temperate is 0.4 degrees Celsius (C). Which of the following represents the standard deviation of typical human body temperature in degrees Fahrenheit (F), where (A) (B) (C) (D) (E) 23) Which of the following is a true statement about the correlation coefficient r? (A) A correlation of 3 means that 30 percent of the points are highly correlated. (B) The square of the correlation measures the proportion of the y-variance that is predictable from a knowledge of x. (C) Perfect correlation, that is, when the points lie exactly on a straight line, results in r=0 (D) Multiplying every y-value by -1 leaves the correlation unchanged. (E) The unit of measurement for correlation is the y-unit per x-unit. 24) An AP Statistics teacher grades using z-scores. On the second major exam of the marking period, a student receives a grade with a z-score of -1.3. What is the correct interpretation of this grade? (A) The student's grade went down 1.3 points from the first exam. (B) The student's grade went down 1.3 points more than the average grade went down from the first exam. (C) The student scored 1.3 standard deviations lower on the second exam than on the first. (D) The student scored 1.3 standard deviations lower on the second exam than the class average on the first exam. (E) The student scored 1.3 standard deviations lower on the second exam than the class average on the second exam.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:(C) 0.170
(D) 0.400
(E) 0.960
20
To which of the histograms below can the boxplot correspond?
o 1o 20
30 40 so
60
(A)
(В)
(С)
20 s0
30 40 50
(D)
(E)
O 10 20 30 s0
20 0 40 60
10
21) A study is conducted relating AP Statistics exam scores to the total number of study hours for the AP Statistics class
put in by students during the academic year, and the correlation is found to be .6, which of the following is a true
statement?
(A) On average, a 40 percent increase in study time results in a 24 percent increase in exam score.
(B) On average, a 60 percent increase in study time results in a 100 percent increase in exam score.
(C) Sixty percent of a student's exam score can be explained by the number of study hours.
(D) Sixty percent of the variation in exam scores can be accounted for by this linear regression model.
(E) Sixty percent of a student's study hours can be explained by a student's exam score.
22) Research indicates that the standard deviation of typical body temperate is 0.4 degrees Celsius (C). Which of the
following represents the standard deviation of typical human body temperature in degrees Fahrenheit (F), where
(A)
(B)
(C)
(D)
(E)
23) Which of the following is a true statement about the correlation coefficient r?
(A) A correlation of .3 means that 30 percent of the points are highly correlated.
(B) The square of the correlation mecasures the proportion of the y-variance that is predictable from a knowledge of x.
(C) Perfect correlation, that is, when the points lie exactly on a straight line, results in r=0
(D) Multiplying every y-value by -1 leaves the correlation unchanged.
(E) The unit of measurement for correlation is the y-unit per x-unit.
24) An AP Statistics teacher grades using z-scores. On the second major exam of the marking period, a student receives a
grade with a z-score of -1.3. What is the correct interpretation of this grade?
(A) The student's grade went down 1.3 points from the first exam.
(B) The student's grade went down 1.3 points more than the average grade went down from the first exam.
(C) The student scored 1.3 standard deviations lower on the second exam than on the first.
(D) The student scored 1.3 standard deviations lower on the second exam than the class average on the first exam.
(E) The student scored 1.3 standard deviations lower on the second exam than the class average on the second exam.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 2 images
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman