here's the data about the math pretest and posttest scores of ten grade 12 students of purok a city high school. is there a significant relationship between the pretest and posttest sc

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here's the data about the math pretest and posttest scores of ten grade 12 students of purok a city high school. is there a significant relationship between the pretest and posttest scores in math?

 

a wal.
Activity 3: What's My Relationship?
students of Purok A City High School. Is there a significant relationship between the
pretest and posttest scores in Math?
1. Compute the value Pearson's r:
Student
Pretest
Posttest
49
32
34
45
45
37
39
47
2. Interpretation:
3.
4.
3. What linear equation best predicts the
posttest given the pretest in Math?
41
6.
7.
8.
40
40
39
20
4. If a student made a pretest score of 43 in
Math, what grade would you expect the
posttest score the student will obtain?
27
32
37
31
45
41
9.
10
48
5. Show the line of best fit and its interpretation.
Activity 4: Am I Rejected or Accepted?
Directions: A random sample of 10 Grade 7 students has grades in MAPEH, where marks range
from 90 (Good) to 98 (Excellent). The general average grade (Gen. Ave.) of all
Grade 7 students as of the last 5 years is 95. Is the Gen. Ave. of the 10 Grade 7
students different from the population's Gen. Ave? Use 0.05 level of significance.
8
10
Student
MAPEH
Grade
3
4
2
92
97
98
95
94
98
92
95
95
96
Transcribed Image Text:a wal. Activity 3: What's My Relationship? students of Purok A City High School. Is there a significant relationship between the pretest and posttest scores in Math? 1. Compute the value Pearson's r: Student Pretest Posttest 49 32 34 45 45 37 39 47 2. Interpretation: 3. 4. 3. What linear equation best predicts the posttest given the pretest in Math? 41 6. 7. 8. 40 40 39 20 4. If a student made a pretest score of 43 in Math, what grade would you expect the posttest score the student will obtain? 27 32 37 31 45 41 9. 10 48 5. Show the line of best fit and its interpretation. Activity 4: Am I Rejected or Accepted? Directions: A random sample of 10 Grade 7 students has grades in MAPEH, where marks range from 90 (Good) to 98 (Excellent). The general average grade (Gen. Ave.) of all Grade 7 students as of the last 5 years is 95. Is the Gen. Ave. of the 10 Grade 7 students different from the population's Gen. Ave? Use 0.05 level of significance. 8 10 Student MAPEH Grade 3 4 2 92 97 98 95 94 98 92 95 95 96
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