Twelve percent of yesterday’s customers purchased premium-grade gasoline from GasCo. If 24 customers bought premium-grade gasoli
1 answer:
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Solution :
a). The required linear regression model is
Price =
b). The for the variable "Age of part" is 0.0000
Since the is less than 0.05, so it is significant to the model.
The p-value for the variable "Number of bidders" is 0.1940
Since is not less than
, so it is significant to the model.
c). We cannot say that model is significant because variable " the number of bidders" is not significant.
But as both variables have positive coefficient so as the variable increases the price received for the item also increased.
5 m/sec or 300m / min
using speed =
change 5 min 20 sec to seconds = (5 × 60) + 20 = 320 sec
speed = = 5m / second or
speed = 60 × 5 = 300m / minute