jusicca1109
27.11.2019 •
Mathematics
Residuals
a residual is the difference between the actual value and the predicted value.
suppose the regression line modeling ticket sales is y = –5.9x + 170.85, where x represents ticket price and y represents attendance.
1. what is the predicted attendance when the ticket price is $5?
2. the actual attendance was 160 when the ticket price was $5.
find the residual: – =
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Ответ:
1. predicted attendance: 141.35
2. residual: 18.65
Step-by-step explanation:
1. Predicted attendance is ...
y = -5.9·5 +170.85 = 141.35
__
2. As the problem statement tells you, ...
actual value - predicted value = residual
160 - 141.35 = 18.65 . . . the residual
Ответ:
Step-by-step explanation: