ine students took the SAT test twice without doing any sort of preparatory course between the two tests. Their scores are listed below. Use the data to test the claim that in the population of all such students, the differences between the scores have mean 0. Student A B C D E F G H I First score 480 510 530 540 550 560 600 620 660 Second score 460 500 530 520 580 600 560 640 690 a. Define the parameter A. mu Subscript d Baseline equals Mean of the second score B. mu Subscript d Baseline equals Mean of (First score - Second score) C. mu Subscript d Baseline equals Mean of the first score D. mu equals Mean score b. State the null and alternative hypotheses A. Upper H 0 : mu Subscript d Baseline equals 0 Upper H 1 : mu Subscript d Baseline not equals 0 B. Upper H 0 : mu Subscript d Baseline equals 0 Upper H 1 : mu Subscript d Baseline greater than 0 C. Upper H 0 : mu Subscript d Baseline equals 0 Upper H 1 : mu Subscript d Baseline less than 0 D. Upper H 0 : mu equals 0 Upper H 1 : mu not equals 0 c. Calculate the P-value. Which of these options is closest to its value? A. 0.825 B. 1.017 C. 0.729 D. 0.714
ine students took the SAT test twice without doing any sort of preparatory course between the two tests. Their scores are listed below. Use the data to test the claim that in the population of all such students, the differences between the scores have mean 0. Student A B C D E F G H I First score 480 510 530 540 550 560 600 620 660 Second score 460 500 530 520 580 600 560 640 690 a. Define the parameter A. mu Subscript d Baseline equals Mean of the second score B. mu Subscript d Baseline equals Mean of (First score - Second score) C. mu Subscript d Baseline equals Mean of the first score D. mu equals Mean score b. State the null and alternative hypotheses A. Upper H 0 : mu Subscript d Baseline equals 0 Upper H 1 : mu Subscript d Baseline not equals 0 B. Upper H 0 : mu Subscript d Baseline equals 0 Upper H 1 : mu Subscript d Baseline greater than 0 C. Upper H 0 : mu Subscript d Baseline equals 0 Upper H 1 : mu Subscript d Baseline less than 0 D. Upper H 0 : mu equals 0 Upper H 1 : mu not equals 0 c. Calculate the P-value. Which of these options is closest to its value? A. 0.825 B. 1.017 C. 0.729 D. 0.714
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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Question
ine students took the SAT test twice without doing any sort of preparatory course between the two tests. Their scores are listed below. Use the data to test the claim that in the population of all such students, the differences between the scores have mean 0.
Student
|
A
|
B
|
C
|
D
|
E
|
F
|
G
|
H
|
I
|
First score
|
480
|
510
|
530
|
540
|
550
|
560
|
600
|
620
|
660
|
Second score
|
460
|
500
|
530
|
520
|
580
|
600
|
560
|
640
|
690
|
a. Define the parameter
A.
mu Subscript d Baseline equals
B.
mu Subscript d Baseline equals
C.
mu Subscript d Baseline equals
D.
mu equals
b. State the null and alternative hypotheses
A.
Upper H 0 : mu Subscript d Baseline equals 0 Upper H 1 : mu Subscript d Baseline not equals 0
B.
Upper H 0 : mu Subscript d Baseline equals 0 Upper H 1 : mu Subscript d Baseline greater than 0
C.
Upper H 0 : mu Subscript d Baseline equals 0 Upper H 1 : mu Subscript d Baseline less than 0
D.
Upper H 0 : mu equals 0 Upper H 1 : mu not equals 0
c. Calculate the P-value. Which of these options is closest to its value?
A.
0.825
B.
1.017
C.
0.729
D.
0.714
d. State the technical conclusion
A.
Reject Upper H 0
B.
Do not reject Upper H 0
e. State the final conclusion
A.
There is not sufficient evidence to warrant rejection of the claim.
B.
There is sufficient evidence to warrant rejection of the claim.
C.
There is not sufficient sample evidence to support the claim.
D.
The sample data support the claim.
f. Does there appear to be any difference between the first and second scores?
A.
Yes
B.
No
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