D SAT 2.46 State SAT scores. Educators are constantly evaluating the efficacy of public schools in the education and training of U.S. students. One quantitative assessment of change over time is the difference in scores on the SAT, which has been used for decades by colleges and universities as one crite- rion for admission. The SAT file contains average SAT scores for each of the 50 states and the District of Columbia for 2011 and 2014. Selected observations are shown in the following table: State 2011 2014 que Alabama 1623 1608 Alaska 1513 1495 Bup Arizona 1539 1551 Arkansas 1692 1697 California 1513 1505 Wisconsin Wyoming 1767 1692 1771 1757 Based on College Entrance Examination Board, 2014. a. Use graphs to display the two SAT score distributions. How have the distributions of state scores changed from 2011 to 2014? b. As another method of comparing the 2011 and 2014 average SAT scores, compute the paired difference by subtracting the 2011 score from the 2014 score for each state. Summarize these differences with a graph. c. Interpret the graph you made in part b. How do your conclusions compare with those of part a? d. Identify the state with the largest improvement in the SAT score between 2011 and 2014.
D SAT 2.46 State SAT scores. Educators are constantly evaluating the efficacy of public schools in the education and training of U.S. students. One quantitative assessment of change over time is the difference in scores on the SAT, which has been used for decades by colleges and universities as one crite- rion for admission. The SAT file contains average SAT scores for each of the 50 states and the District of Columbia for 2011 and 2014. Selected observations are shown in the following table: State 2011 2014 que Alabama 1623 1608 Alaska 1513 1495 Bup Arizona 1539 1551 Arkansas 1692 1697 California 1513 1505 Wisconsin Wyoming 1767 1692 1771 1757 Based on College Entrance Examination Board, 2014. a. Use graphs to display the two SAT score distributions. How have the distributions of state scores changed from 2011 to 2014? b. As another method of comparing the 2011 and 2014 average SAT scores, compute the paired difference by subtracting the 2011 score from the 2014 score for each state. Summarize these differences with a graph. c. Interpret the graph you made in part b. How do your conclusions compare with those of part a? d. Identify the state with the largest improvement in the SAT score between 2011 and 2014.
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
Only answer parts a, b, and c for now.
Transcribed Image Text:D
SAT
2.46 State SAT scores. Educators are constantly evaluating the
efficacy of public schools in the education and training of
U.S. students. One quantitative assessment of change over
time is the difference in scores on the SAT, which has been
used for decades by colleges and universities as one crite-
rion for admission. The SAT file contains average SAT
scores for each of the 50 states and the District of Columbia
for 2011 and 2014. Selected observations are shown in the
following table:
State
2011
2014
que Alabama
1623
1608
Alaska
1513
1495
Bup Arizona
1539
1551
Arkansas
1692
1697
California
1513
1505
Wisconsin
Wyoming
1767
1692
1771
1757
Based on College Entrance Examination Board, 2014.
a. Use graphs to display the two SAT score distributions.
How have the distributions of state scores changed
from 2011 to 2014?
b. As another method of comparing the 2011 and 2014
average SAT scores, compute the paired difference by
subtracting the 2011 score from the 2014 score for each
state. Summarize these differences with a graph.
c. Interpret the graph you made in part b. How do your
conclusions compare with those of part a?
d. Identify the state with the largest improvement in the
SAT score between 2011 and 2014.
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