(a) Plot the total minutes of TV viewing time per household. (b) Describe the trend (if any) and discuss possible causes. (c) Fit a linear trend to the data. (d) Would this model give reasonable forecasts? Would another trend model be better? Explain. (e) Make a forecast for 2010. Check the forecast if you have access to the Web. Show the forecast calculations. (f) Would this data ever approach an asymptote? Explain. Note: Time is in 5-year increments, so use t = 13 for the 2010 forecast. Television
Average Daily TV Viewing Time Per U.S. Household | |||
Year | Hours | Min | Total Min |
1950 | 4 | 35 | 275 |
1955 | 4 | 51 | 291 |
1960 | 5 | 6 | 306 |
1965 | 5 | 29 | 329 |
1970 | 5 | 56 | 356 |
1975 | 6 | 7 | 367 |
1980 | 6 | 36 | 396 |
1985 | 7 | 10 | 430 |
1990 | 6 | 53 | 413 |
1995 | 7 | 17 | 437 |
2000 | 7 | 35 | 455 |
2005 | 8 | 11 | 491 |
Source: As published by the TVB based on Nielsen Media Research data. Used with permission.
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