An educator believes that new directed reading activities in the classroom will help elementary school pupils improve some aspects of their reading ability. She arranges for two third grade classes of students to take part in these activities. A third class of students in the same school is treated as control and does not take part in the reading activities. At the end of 8 weeks, all students are given a Degree of Reading Power (DRP) test, which measures the aspects of reading ability that the treatment is designed to improve. The educator wishes to see if the directed reading program increases scores on the DRP test. You will find output from a statistical package below. (Random sampling is clearly not met here, but assume it is.) C = control; T= treatment (directed reading activities) Which hypothesis test should be conducted? O Distributions Group=Control A- DRP Score D Quantiles - Summary Statistics Mean 42.130435 Std Dev 14.728773 23 10 20 30 40 so 60 70 80 - Distributions Group=Treatment 4- DRP Score D Quantiles O Summary Statistics Мean 50.870968 Std Dev 10.98102 31 20 30 40 50 60 70
An educator believes that new directed reading activities in the classroom will help elementary school pupils improve some aspects of their reading ability. She arranges for two third grade classes of students to take part in these activities. A third class of students in the same school is treated as control and does not take part in the reading activities. At the end of 8 weeks, all students are given a Degree of Reading Power (DRP) test, which measures the aspects of reading ability that the treatment is designed to improve. The educator wishes to see if the directed reading program increases scores on the DRP test. You will find output from a statistical package below. (Random sampling is clearly not met here, but assume it is.) C = control; T= treatment (directed reading activities) Which hypothesis test should be conducted? O Distributions Group=Control A- DRP Score D Quantiles - Summary Statistics Mean 42.130435 Std Dev 14.728773 23 10 20 30 40 so 60 70 80 - Distributions Group=Treatment 4- DRP Score D Quantiles O Summary Statistics Мean 50.870968 Std Dev 10.98102 31 20 30 40 50 60 70
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
![A two sample nonparametric test
O Two sample z-test
Two sample not pooled (Welch's) t-test
Two sample paired t-test
Two sample pooled t-test](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F94794742-5853-4841-8a34-9b19668d68a0%2F04b76444-c2fa-4301-8993-527b42719cea%2Fappugm3_processed.png&w=3840&q=75)
Transcribed Image Text:A two sample nonparametric test
O Two sample z-test
Two sample not pooled (Welch's) t-test
Two sample paired t-test
Two sample pooled t-test
![An educator believes that new directed reading activities in the classroom will help
elementary school pupils improve some aspects of their reading ability. She arranges
for two third grade classes of students to take part in these activities. A third class of
students in the same school is treated as control and does not take part in the
reading activities. At the end of 8 weeks, all students are given a Degree of Reading
Power (DRP) test, which measures the aspects of reading ability that the treatment is
designed to improve. The educator wishes to see if the directed reading program
increases scores on the DRP test. You will find output from a statistical package
below. (Random sampling is clearly not met here, but assume it is.) C = control; T =
treatment (directed reading activities) Which hypothesis test should be conducted?
Distributions Group=Control
DRP Score
Quantiles
- Summary Statistics
42.130435
Std Dev 14.728773
Мean
23
10 20 30 40 50 60 70 80
1- Distributions Group=Treatment
-DRP Score
D Quantiles
- Summary Statistics
Мean
50.870968
Std Dev 10.98102
31
20
30
40
50
60 70](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F94794742-5853-4841-8a34-9b19668d68a0%2F04b76444-c2fa-4301-8993-527b42719cea%2Fvnntsz9_processed.png&w=3840&q=75)
Transcribed Image Text:An educator believes that new directed reading activities in the classroom will help
elementary school pupils improve some aspects of their reading ability. She arranges
for two third grade classes of students to take part in these activities. A third class of
students in the same school is treated as control and does not take part in the
reading activities. At the end of 8 weeks, all students are given a Degree of Reading
Power (DRP) test, which measures the aspects of reading ability that the treatment is
designed to improve. The educator wishes to see if the directed reading program
increases scores on the DRP test. You will find output from a statistical package
below. (Random sampling is clearly not met here, but assume it is.) C = control; T =
treatment (directed reading activities) Which hypothesis test should be conducted?
Distributions Group=Control
DRP Score
Quantiles
- Summary Statistics
42.130435
Std Dev 14.728773
Мean
23
10 20 30 40 50 60 70 80
1- Distributions Group=Treatment
-DRP Score
D Quantiles
- Summary Statistics
Мean
50.870968
Std Dev 10.98102
31
20
30
40
50
60 70
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