Mrs. Cunan introduced a Gallery Walk Technique in her Science class. He gave a pretest and posttest to her 20 students and gathered the following data: Student Pretest (x1) Posttest (x2) 1 10 15 2 30 35 3 15 25 4 15 25 5 20 20 6 10 20 7 18 22 8 14 20 9 15 20 10 20 15 11 18 30 12 15 10 13 15 16 14 20 25 15 18 15 16 40 45 17 10 15 18 10 10 19 12 18 20 20 25 At .05 level of significance, is the Gallery Walk Technique effective? Follow the steps in hypothesis testing. Answer the following. Problem # ________ What is the appropriate statistical test to use? _______________________________________ _____________________________________________________________________________ State Null Hypothesis: _________________________________________________________ _____________________________________________________________________________ State Alternative Hypothesis : __________________________________________________
Mrs. Cunan introduced a Gallery Walk Technique in her Science class. He gave a pretest and posttest to her 20 students and gathered the following data:
Student |
Pretest (x1) |
Posttest (x2) |
1 |
10 |
15 |
2 |
30 |
35 |
3 |
15 |
25 |
4 |
15 |
25 |
5 |
20 |
20 |
6 |
10 |
20 |
7 |
18 |
22 |
8 |
14 |
20 |
9 |
15 |
20 |
10 |
20 |
15 |
11 |
18 |
30 |
12 |
15 |
10 |
13 |
15 |
16 |
14 |
20 |
25 |
15 |
18 |
15 |
16 |
40 |
45 |
17 |
10 |
15 |
18 |
10 |
10 |
19 |
12 |
18 |
20 |
20 |
25 |
At .05 level of significance, is the Gallery Walk Technique effective?
- Follow the steps in hypothesis testing.
Answer the following.
Problem # ________
- What is the appropriate statistical test to use? _______________________________________
_____________________________________________________________________________
- State Null Hypothesis: _________________________________________________________
_____________________________________________________________________________
- State Alternative Hypothesis : __________________________________________________
4.What is the computed value? __________________
5.What is the Critical Value?____________________
- What is the Decision? Reject Null Hypothesis Accept Null Hypothesis
7-10. Conclusion/Interpretation: ________________________________________________
_________________________________________________________________________
___________________________________________________________________________
![](/static/compass_v2/shared-icons/check-mark.png)
Step by step
Solved in 4 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
![Holt Mcdougal Larson Pre-algebra: Student Edition…](https://www.bartleby.com/isbn_cover_images/9780547587776/9780547587776_smallCoverImage.jpg)
![Glencoe Algebra 1, Student Edition, 9780079039897…](https://www.bartleby.com/isbn_cover_images/9780079039897/9780079039897_smallCoverImage.jpg)
![College Algebra (MindTap Course List)](https://www.bartleby.com/isbn_cover_images/9781305652231/9781305652231_smallCoverImage.gif)
![Holt Mcdougal Larson Pre-algebra: Student Edition…](https://www.bartleby.com/isbn_cover_images/9780547587776/9780547587776_smallCoverImage.jpg)
![Glencoe Algebra 1, Student Edition, 9780079039897…](https://www.bartleby.com/isbn_cover_images/9780079039897/9780079039897_smallCoverImage.jpg)
![College Algebra (MindTap Course List)](https://www.bartleby.com/isbn_cover_images/9781305652231/9781305652231_smallCoverImage.gif)
![Calculus For The Life Sciences](https://www.bartleby.com/isbn_cover_images/9780321964038/9780321964038_smallCoverImage.gif)