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
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
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
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