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The table shows the data gathered on the age and time in hours spent by the 30 respondents on a gadget in a day. Respondent Age (x) Time spent on a gadget in a day (hrs) (y) Xy y? 1 34 15 68 90 1156 225 4 36 6. 119 63 126 3 17 21 7 3 289 441 324 49 9 4 18 11 7 49 16 6 4 44 121 7 16 30 64 100 784 676 256 4 10 3 28 26 16 196 26 80 49 1 25 10 1 5 11 12 13 1 1 9. 33 81 1089 1. 1 33 14 15 33 38 66 76 87 42 48 1089 1444 4 4 16 17 29 14 12 841 196 144 3 9 16 18 4 19 7 15 1 7 49 225 484 576 1681 20 1. 16 4 60 110 21 22 22 24 5 3 25 72 23 24 41 40 1 1 41 40 1 1600 1225 25 26 27 35 11 16 70 22 64 160 126 121 256 1024 4 4 16 4 28 29 32 18 4 49 36 7 324 30 14 6. 84 196 ТОTAL: Σx 647 Σy101 > xy = 2.075 Ex² =17,081 2y = 461 %3D Null and Alternative Hypothesis Ho r=0; There is no significant relationship between the age and the time spent a person using his or her gadget. I. Ha: r#0; There is a significant relationship between the age and the time spent a person using his or her gadget.

The table shows the data gathered on the age and time in hours spent by the 30 respondents on a gadget in a day. Respondent Age (x) Time spent on a gadget in a day (hrs) (y) Xy y? 1 34 15 68 90 1156 225 4 36 6. 119 63 126 3 17 21 7 3 289 441 324 49 9 4 18 11 7 49 16 6 4 44 121 7 16 30 64 100 784 676 256 4 10 3 28 26 16 196 26 80 49 1 25 10 1 5 11 12 13 1 1 9. 33 81 1089 1. 1 33 14 15 33 38 66 76 87 42 48 1089 1444 4 4 16 17 29 14 12 841 196 144 3 9 16 18 4 19 7 15 1 7 49 225 484 576 1681 20 1. 16 4 60 110 21 22 22 24 5 3 25 72 23 24 41 40 1 1 41 40 1 1600 1225 25 26 27 35 11 16 70 22 64 160 126 121 256 1024 4 4 16 4 28 29 32 18 4 49 36 7 324 30 14 6. 84 196 ТОTAL: Σx 647 Σy101 > xy = 2.075 Ex² =17,081 2y = 461 %3D Null and Alternative Hypothesis Ho r=0; There is no significant relationship between the age and the time spent a person using his or her gadget. I. Ha: r#0; There is a significant relationship between the age and the time spent a person using his or her gadget.

MATLAB: An Introduction with Applications
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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100%
 
Solve for the test statistics, plsss show complete solution
 

Critical Values
Df = n-2 = 30-2 = 28
a = 0.05/5%
Two-tailed
Critical value r/a = 0.3610

The table shows the data gathered on the age and time in hours spent by the 30 respondents on a gadget in a day. Respondent Age (x) Time spent on a gadget in a day (hrs) (y) 2 Xy y? 1156 225 34 68 4 2 15 6 90 36 3 17 7 119 289 49 4 21 3 63 441 9 5 18 7 126 324 49 11 4 44 121 16 7 8. 2 16 64 4 10 3 30 100 28 196 784 49 10 26 1 26 676 1 11 16 5 80 256 25 12 1 81 1 1089 1089 1444 13 33 1 33 1 14 33 66 4 15 38 2 76 4 16 29 3 87 841 9 17 14 42 196 9 18 12 4 48 144 16 19 7 1 7 49 1 20 15 4 60 225 16 21 22 110 484 25 22 24 3 72 576 1681 1600 1225 23 41 1 41 1 24 40 1 40 1 25 35 2. 70 4 26 11 2 22 121 4 27 16 4 64 256 16 1024 324 28 32 2 160 4 29 18 7 126 49 30 14 84 196 36 Σ TOTAL: Σx 647 ΣΥ-101 ху 3D2,075 Ex? =17,081 >y? = 461 Null and Alternative Hypothesis H. :r-0; There is no significant relationship between the age and the time spent a person using his or her gadget. I. Ha: r#0; There is a significant relationship between the age and the time spent a person using his or her gadget.
Transcribed Image Text:The table shows the data gathered on the age and time in hours spent by the 30 respondents on a gadget in a day. Respondent Age (x) Time spent on a gadget in a day (hrs) (y) 2 Xy y? 1156 225 34 68 4 2 15 6 90 36 3 17 7 119 289 49 4 21 3 63 441 9 5 18 7 126 324 49 11 4 44 121 16 7 8. 2 16 64 4 10 3 30 100 28 196 784 49 10 26 1 26 676 1 11 16 5 80 256 25 12 1 81 1 1089 1089 1444 13 33 1 33 1 14 33 66 4 15 38 2 76 4 16 29 3 87 841 9 17 14 42 196 9 18 12 4 48 144 16 19 7 1 7 49 1 20 15 4 60 225 16 21 22 110 484 25 22 24 3 72 576 1681 1600 1225 23 41 1 41 1 24 40 1 40 1 25 35 2. 70 4 26 11 2 22 121 4 27 16 4 64 256 16 1024 324 28 32 2 160 4 29 18 7 126 49 30 14 84 196 36 Σ TOTAL: Σx 647 ΣΥ-101 ху 3D2,075 Ex? =17,081 >y? = 461 Null and Alternative Hypothesis H. :r-0; There is no significant relationship between the age and the time spent a person using his or her gadget. I. Ha: r#0; There is a significant relationship between the age and the time spent a person using his or her gadget.
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