A transport entrepreneur who uses a truck with cool storage wants to find out how much influence the distance traveled,

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A transport entrepreneur who uses a
truck with cool storage wants to find out how much influence the
distance traveled, the air temperature in the truck and the speed
of the truck has on the damage to a fruit that is being
transported. This is done by the transportation entrepreneur in the
context of developing services to its customers. For this purpose,
6 observations have been made (as a sample) and the following data
have been obtained:
No.
mileage(km) (100)
speed
(km/hour)
(10)
temp
(Co)
Damage percentage
1
2
3
4
5
6
2,8
3,9
5,2
4,8
6,1
5,5
8
7
5
6
9
4
4
9
10
8
7
6
7
6
7
10
8
3
a) Determine the equation of the
multiple regression line and test the significance of the
estimating regression coefficient with α = 5%.
b) Calculate the magnitude of the
multiple correlation coefficient.
c) Test the coefficients
simultaneously, with 95% confidence level.
d) Determine the percentage of fruits
that are damaged in transportation, if the distance traveled is 750
km at a speed of 100 km/hour and the temperature is
9oC.