A study was done on proctored and nonproctored tests. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal A. Ho H1 H2 H₁ 14 1₂ ỌC. Ho My U2 H₁: HH₂ OB. Ho H1 H2 H₁ 1₁ 1₂ OD. Ho 11 #¹₂ H₁ H₂ The test statistic, t, is (Round to two decimal places as needed) The P-value is (Round to three decimal places as needed.) State the conclusion for the test. H n X S Proctored Nonproctored 14 12 34 31 77.58 11.08 81.91 21.24 A. Reject Ho. There is sufficient evidence to support the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests. OB. Fail to reject Ho. There is sufficient evidence to support the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests. c. Fail to reject Ho. There is not sufficient evidence to support the claim that students taking nonproctored
A study was done on proctored and nonproctored tests. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal A. Ho H1 H2 H₁ 14 1₂ ỌC. Ho My U2 H₁: HH₂ OB. Ho H1 H2 H₁ 1₁ 1₂ OD. Ho 11 #¹₂ H₁ H₂ The test statistic, t, is (Round to two decimal places as needed) The P-value is (Round to three decimal places as needed.) State the conclusion for the test. H n X S Proctored Nonproctored 14 12 34 31 77.58 11.08 81.91 21.24 A. Reject Ho. There is sufficient evidence to support the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests. OB. Fail to reject Ho. There is sufficient evidence to support the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests. c. Fail to reject Ho. There is not sufficient evidence to support the claim that students taking nonproctored
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
![K
A study was done on proctored and nonproctored tests. The results are shown in the
table. Assume that the two samples are independent simple random samples selected
from normally distributed populations, and do not assume that the population standard
deviations are equal
A. Ho H1 H2
H₁ H₁ H₂
ỌC. Hồ Hi-12
H₁: Hy > H₂
0 в. Но 141=12
H₁ H₁ H₂
O D. Ho 11 #₂2
H₁ H1 H₂
The test statistic, t, is (Round to two decimal places as needed)
The P-value is (Round to three decimal places as needed.)
State the conclusion for the test.
Proctored Nonproctored
H
144
n 34
CIXS
77.58
11.08
12
31
81.91
21.24
A. Reject Ho There is sufficient evidence to support the claim that students taking nonproctored tests get a
higher mean score than those taking proctored tests.
OB. Fail to reject Ho. There is sufficient evidence to support the claim that students taking nonproctored tests
get a higher mean score than those taking proctored tests.
C. Fail to reject Ho. There is not sufficient evidence to support the claim that students taking nonproctored](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9f54014e-f0c4-4712-9fab-8bd47dbed54a%2Fe7b206f0-9e08-4494-a83f-158d1683a8fa%2Ftgychzf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:K
A study was done on proctored and nonproctored tests. The results are shown in the
table. Assume that the two samples are independent simple random samples selected
from normally distributed populations, and do not assume that the population standard
deviations are equal
A. Ho H1 H2
H₁ H₁ H₂
ỌC. Hồ Hi-12
H₁: Hy > H₂
0 в. Но 141=12
H₁ H₁ H₂
O D. Ho 11 #₂2
H₁ H1 H₂
The test statistic, t, is (Round to two decimal places as needed)
The P-value is (Round to three decimal places as needed.)
State the conclusion for the test.
Proctored Nonproctored
H
144
n 34
CIXS
77.58
11.08
12
31
81.91
21.24
A. Reject Ho There is sufficient evidence to support the claim that students taking nonproctored tests get a
higher mean score than those taking proctored tests.
OB. Fail to reject Ho. There is sufficient evidence to support the claim that students taking nonproctored tests
get a higher mean score than those taking proctored tests.
C. Fail to reject Ho. There is not sufficient evidence to support the claim that students taking nonproctored
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