Work for the following problems: A statistics instructor at Dalandanan National High School would like to examine the relationship if any) between the number of optional homework problems students do during the semester and their final course grade. She randomly selects 12 studenta for study and aska them to keep track of the number of these problemn completed during the course of the sementer. At the end of the class each student's total is recorded along with their final grade. The data follow in Table 1. No, of Problem Solved (x) 51 S8 62 65 68 76 77 78 Final Course Grade y) 62 68 66 66 67 72 73 72 78 73 76 75 848 xy 78 84 85 91 873 1. Identify the dependent variable. 2. What is the independent variable? 3. Compute for the correlation of coefficient. 4. Classify the direction and atrength of the correlation. 5. Identify the regression equation and predict the student's final course grade if 75 optional homework assignments are done.

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Author:Amos Gilat
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Work for the following problems:
A atatistics instructor at Dalandanan National High School would like to examine
the relationship (if any) between the number of aptional homework problem
students do during the semester and their final course grade. She randomly selects
12 students for study and asks them to keep track of the number of these problema
completed during the courne of the sementer. At the end of the class each student'a
total is recorded along with their final grade. The data follow in Table 1.
No, of Problem
Final Course
xy
ya
Solved (x)
Grade (y)
62
68
66
58
62
65
66
67
72
73
68
76
77
78
78
84
85
91
72
78
73
76
75
873
848
1. Identify the dependent variable.
2. What is the independent variable?
3. Compute for the correlation of coefficient.
4. Classify the direction and atrength of the correlation.
5. Identify the regression equation and predict the student's final course grade if
75 optional homework assignments are done.
Transcribed Image Text:Work for the following problems: A atatistics instructor at Dalandanan National High School would like to examine the relationship (if any) between the number of aptional homework problem students do during the semester and their final course grade. She randomly selects 12 students for study and asks them to keep track of the number of these problema completed during the courne of the sementer. At the end of the class each student'a total is recorded along with their final grade. The data follow in Table 1. No, of Problem Final Course xy ya Solved (x) Grade (y) 62 68 66 58 62 65 66 67 72 73 68 76 77 78 78 84 85 91 72 78 73 76 75 873 848 1. Identify the dependent variable. 2. What is the independent variable? 3. Compute for the correlation of coefficient. 4. Classify the direction and atrength of the correlation. 5. Identify the regression equation and predict the student's final course grade if 75 optional homework assignments are done.
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