(b) Test the hypothesis at the a = 0.10 level of significance. Is a mean math score of 530 statistically significantly higher than 523? Conduct a hypothesis test using the P-value approach. Find the test statistic. to 0 %3D (Round to two decimal places as needed.)
(b) Test the hypothesis at the a = 0.10 level of significance. Is a mean math score of 530 statistically significantly higher than 523? Conduct a hypothesis test using the P-value approach. Find the test statistic. to 0 %3D (Round to two decimal places as needed.)
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:A math teacher claims that she has developed a review course that increases the scores of students on the math portion of a college entrance exam. Based on data from the administrator of the exam, scores are normally distributed with u = 523.
The teacher obtains a random sample of 2200 students, puts them through the review class, and finds that the mean math score of the 2200 students is 530 with a standard deviation of 116. Complete parts (a) through (d) below.
Question Help ▼
E Click the icon to view the t-Distribution Area in the Right Tail.
(a) State the null and alternative hypotheses. Let u be the mean score. Choose the correct answer below.
YA. Ho: H= 523, H4: µ> 523
O B. Ho: H> 523, H,: u#523
OC. Ho: H<523, H,: u> 523
O D. Ho: H= 523, H,: u#523
Question Viewer
(b) Test the hypothesis at the a = 0.10 level of significance. Is a mean math score of 530 statistically significantly higher than 523? Conduct a hypothesis test using the P-value approach.
Find the test statistic.
to 0
%3D
(Round to two decimal places as needed.)
Enter your answer in the answer box and then click Check Answer.
parts
(remaining
Clear All
Check Answer
MacBook Air
DII
888
F7
esc
F4
FS
F1
F2
F3
!
@
23
2$
delet
-A
4
6
8.
1
P
Y
Q
W
E
tab
11
K
G
caps lock
く
B
N
M
レビ
しの
つ
エ
LL
の
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images

Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.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