Kizspy | Question: 80
(Choose 1 answer)
(See picture)
A. (i)
B. (ii)
C. (iii)
D. None of the other choices is correct.
Browsź!.aw.com
The business problem facing the director of broadcasting operations for a
television station was the issue of standby hours (i.e., hours in which
employees at the station are paid but are not actually involved in any
activity) and what factors were related to standby hours. The study
included the following variables: Standby hours (Y)-Total number of
standby hours in a week; Weekly staff count (X1)-Weekly total of
people-days; Remote engineering hours (X2)-Total number of
engineering hours worked by employees at locations away from the central
plant. Data were collected for 20 weeks; with the following results:
Intercept
Coefficients Standard Error
-326.25
124.33
t Stat
P-value
-2.62
0.0178
Total Staff
1.68
0.41
4.11
0.0007
Remote
-0.09
0.07
-1.18
0.0254
State the multiple regression equation.
(i)
Y-326.25X1 + 1.68X2 -0.09
(ii) Ŷ-326.25 +1.68X₁ = 0.9X2
(iii) Ŷ-326.25 +1.68X₁ - 0.09%2
