Suppose a researcher wants to see whether teaching students to read using a computer game gives better results than teaching with a tried-and-true phonics method. She randomly selects 20 students and puts them into 10 pairs according to their reading readiness level, age, IQ, and so on. She randomly selects one student from each pair to learn to read via the computer game, and the other learns to read using the phonics method. At the end of the study, each student takes the same reading test. The data are shown in the following table. Student Pair12345678910Reading Score under Computer Method85809587788257697399Reading Score under phonics method80808890727950737895 Test whether there is a significant difference between the computer method and the phonics method. If there is a significant difference, which particular method is better? A school psychologist is interested in whether or not teachers affect the anxiety scores among students taking the Statistics exam. The data below are the standardized anxiety test scores for students with the three different teachers.Teacher’s NameMs. San PedroMs. San JuanMs. San Jose823221014181212141182213152215161016141117199910 10 13 Perform an analysis of variance at the 0.05 level of significance. 8. Suppose a researcher wants to see whether teaching students to read using acomputer game gives better results than teaching with a tried-and-true phonicsmethod. She randomly selects 20 students and puts them into 10 pairs according totheir reading readiness level, age, IQ, and so on. She randomly selects one studentfrom each pair to learn to read via the computer game, and the other learns to readUsing the phonics method. At the end of the study, each student takes the samereading test. The data are shown in the following table.2 3 458 9Student Pair1671078 82 57 69Reading Score under73 99858095Computer MethodReading Score underphonics method30 808890727950737895Test whether there is a significant difference between the computer method andthe phonics method. If there is a significant difference, which particular method isbetter?9. Aschool psychologist is interested in whether or not teachers affect the anxiety scoresamong students taking the Statistics exam. The data below are the standardizedanxiety test scores for students with the three different teachers.Teacher's NameMs. SanMs. San JuanMs. San JosePedro2322101418121214118221315221516101614111719101013Perform an analysis of variance at the 0.05 level of significance. 8. Suppose a researcher wants to see whether teaching students to read using acomputer game gives better results than teaching with a tried-and-true phonicsmethod. She randomly selects 20 students and puts them into 10 pairs according totheir reading readiness level, age, IQ, and so on. She randomly selects one studentfrom each pair to learn to read via the computer game, and the other learns to readUsing the phonics method. At the end of the study, each student takes the samereading test. The data are shown in the following table.2 3 458 9Student Pair1671078 82 57 69Reading Score under73 99858095Computer MethodReading Score underphonics method30 808890727950737895Test whether there is a significant difference between the computer method andthe phonics method. If there is a significant difference, which particular method isbetter?9. Aschool psychologist is interested in whether or not teachers affect the anxiety scoresamong students taking the Statistics exam. The data below are the standardizedanxiety test scores for students with the three different teachers.Teacher's NameMs. SanMs. San JuanMs. San JosePedro2322101418121214118221315221516101614111719101013Perform an analysis of variance at the 0.05 level of significance.

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Suppose a researcher wants to see whether teaching students to read using a computer game gives better results than teaching with a tried-and-true phonics method. She randomly selects 20 students and puts them into 10 pairs according to their reading readiness level, age, IQ, and so on. She randomly selects one student from each pair to learn to read via the computer game, and the other learns to read using the phonics method. At the end of the study, each student takes the same reading test. The data are shown in the following table.

Student Pair	1	2	3	4	5	6	7	8	9	10
Reading Score under Computer Method	85	80	95	87	78	82	57	69	73	99
Reading Score under phonics method	80	80	88	90	72	79	50	73	78	95

Test whether there is a significant difference between the computer method and the phonics method. If there is a significant difference, which particular method is better?

A school psychologist is interested in whether or not teachers affect the anxiety scores among students taking the Statistics exam. The data below are the standardized anxiety test scores for students with the three different teachers.

Teacher’s Name
Ms. San Pedro	Ms. San Juan	Ms. San Jose
8	23	22
10	14	18
12	12	14
11	8	22
13	15	22
15	16	10
16	14	11
17	19	9
9	10
10
13

Perform an analysis of variance at the 0.05 level of significance.

8. Suppose a researcher wants to see whether teaching students to read using a
computer game gives better results than teaching with a tried-and-true phonics
method. She randomly selects 20 students and puts them into 10 pairs according to
their reading readiness level, age, IQ, and so on. She randomly selects one student
from each pair to learn to read via the computer game, and the other learns to read
Using the phonics method. At the end of the study, each student takes the same
reading test. The data are shown in the following table.
2 3 45
8 9
Student Pair
1
6
7
10
78 82 57 69
Reading Score under
73 99
85
80
95
Computer Method
Reading Score under
phonics method
30 80
88
90
72
79
50
73
78
95
Test whether there is a significant difference between the computer method and
the phonics method. If there is a significant difference, which particular method is
better?
9. Aschool psychologist is interested in whether or not teachers affect the anxiety scores
among students taking the Statistics exam. The data below are the standardized
anxiety test scores for students with the three different teachers.
Teacher's Name
Ms. San
Ms. San Juan
Ms. San Jose
Pedro
23
22
10
14
18
12
12
14
11
8
22
13
15
22
15
16
10
16
14
11
17
19
10
10
13
Perform an analysis of variance at the 0.05 level of significance.

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