It is claimed that watching television reduces the amount of physical exercise, causing weight gains. A sample of 15 ch

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answerhappygod
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It is claimed that watching television reduces the amount of physical exercise, causing weight gains. A sample of 15 ch

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It is claimed that watching television reduces the amount ofphysical exercise, causing weight gains. A sample of 15 children was taken. The number ofkilograms each child was overweight (a negative number indicates the child isunderweight) and the number of hours the television viewing per week were recorded. The data arelisted in the table.Television Viewing (hours) 42 34 25 35 37 38 31 33 1929Overweight (kg) 18 6 0 -1 13 14 7 7 -9 8Additional Information: SST = โˆ‘(๐‘Œ โˆ’ ๐‘Œฬ…)2 = 572.10, SSE = โˆ‘(๐‘Œ โˆ’ ๐‘Œฬ‚)2= 149.75a) Compute the coefficients of the sample regression line.b) Interpret the estimated slope coefficient.c) Determine the coefficient of determination and describe what ittells you.d) Determine whether there is evidence of a negative linearrelationship between the number of hours of television viewing per week and how overweightthe child is using 1% level of significance.
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