Proctored Nonproctored H2 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. Use a 0.01 significance level. 30 33 78.32 88.01 11.85 22.76 H: H H2 H: 41

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Topic Video
Question
Proctored Nonproctored
P2
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. Use a 0.01 significance level.
30
33
In
78.32
11.85
88.01
S
22.76
H: H2
H: 1 <H2
O D. Ho: H1 # H2
O C. Ho: H1 = H2
H: 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.
O 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.
O B. Reject Ho. There is not sufficient evidence to support the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests.
O C. Fail to reject Ho. There is not sufficient evidence to support the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests.
O D. 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.
Click to select your answer(s).
tv
MacBook Air
4)
F10
F9
吕0
F3
F5
F4
esc
F2
F1
*
&
@
#
$4
%
8
4
6
2
Y
Transcribed Image Text:Proctored Nonproctored P2 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. Use a 0.01 significance level. 30 33 In 78.32 11.85 88.01 S 22.76 H: H2 H: 1 <H2 O D. Ho: H1 # H2 O C. Ho: H1 = H2 H: 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. O 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. O B. Reject Ho. There is not sufficient evidence to support the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests. O C. Fail to reject Ho. There is not sufficient evidence to support the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests. O D. 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. Click to select your answer(s). tv MacBook Air 4) F10 F9 吕0 F3 F5 F4 esc F2 F1 * & @ # $4 % 8 4 6 2 Y
Proctored Nonproctored
H1
P2
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. Use a 0.01 significance level.
30
x 78.32
11.85
In
33
88.01
22.76
Test the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests.
What are the null and altemative hypotheses?
O A. Ho: H1 =H2
O B. Ho: H1 H2
Hg: Hy <H2
O C. Ho: H1 =2
Hy: Hq> H2
O D. Ho: H1 # H2
H: <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.
O 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.
O B. Reject Ho- There is not sufficient evidence to support the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests.
Click to select your answer(s).
étv
MacBook Air
FI
F10
80
000
000 FA
F3
esc
F1
F2
*
&
@
#
$
8
9
5
6
7
3
4
1
P
Y
Q
W
E
了
Transcribed Image Text:Proctored Nonproctored H1 P2 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. Use a 0.01 significance level. 30 x 78.32 11.85 In 33 88.01 22.76 Test the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests. What are the null and altemative hypotheses? O A. Ho: H1 =H2 O B. Ho: H1 H2 Hg: Hy <H2 O C. Ho: H1 =2 Hy: Hq> H2 O D. Ho: H1 # H2 H: <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. O 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. O B. Reject Ho- There is not sufficient evidence to support the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests. Click to select your answer(s). étv MacBook Air FI F10 80 000 000 FA F3 esc F1 F2 * & @ # $ 8 9 5 6 7 3 4 1 P Y Q W E 了
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Means
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.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
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 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…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
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
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman