Please no written by hand solution 1. It is claimed that watching television reduces the amount of physical exercise, causing weight gains. A sample of 15 children was taken. The number of kilograms each child was overweight (a negative number indicates the child is underweight) and the number of hours the television viewing per week were
Please no written by hand solution
1. It is claimed that watching television reduces the amount of physical exercise, causing weight gains. A sample of 15 children was taken. The number of kilograms each child was overweight (a negative number indicates the child is underweight) and the number of hours the television viewing per week were recorded. The data are listed in the table. Television Viewing (hours) Overweight (kg) 18 6 Additional Information: SST = E(Y - Y)² = 572.10, SSE = Σ(Y - Ŷ)² = 149.75 Compute the coefficients of the sample regression line. Interpret the estimated slope coefficient. Determine the coefficient of determination and describe what it tells you. a) b) c) d) 42 34 25 35 0 -1 37 38 31 33 13 14 7 7 19 29 -9 8 Determine whether there is evidence of a negative linear relationship between the number of hours of television viewing per week and how overweight the child is using 1% level of significance.
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