The sales department of wlmart stores has engaged in a strategy to boost the pro
ID: 1098729 • Letter: T
Question
The sales department of wlmart stores has engaged in a strategy to boost the productivity of its employee. during the last 7 years, the company has collected data on the number of employees and the annual gross sales shown in the following.**** PLEASE SHOW WORKING OR SEND THE PICTURE OF THE WORKING TO coolbreezedonuwa@gmail.com. so that point would be awarded.
Determine:a) determine the least square trend line.
B) DETERMINE THE PREDITED VALUE OF SALES FOR 2100 EMPLOYEES.
C)DETERMINE THE COEFICIENT OF DETERMINATION.
D)DETERMINE THE CORRELATION COEFICIENT.
E)DETERMINE THE FISHER COEFFICIENT AND TEST THE OVERALL SIGNIFICANCE OF THE REGRESSION AT 5% LEVEL OF SIGNIFICANCE # of Employee Sales (in $000's) 1975 100 2010 110 2005 122 2020 130 2030 139 2031 152
2050 164 2100 ?
The sales department of wlmart stores has engaged in a strategy to boost the productivity of its employee. during the last 7 years, the company has collected data on the number of employees and the annual gross sales shown in the following.
**** PLEASE SHOW WORKING OR SEND THE PICTURE OF THE WORKING TO coolbreezedonuwa@gmail.com. so that point would be awarded.
Determine:a) determine the least square trend line.
B) DETERMINE THE PREDITED VALUE OF SALES FOR 2100 EMPLOYEES.
C)DETERMINE THE COEFICIENT OF DETERMINATION.
D)DETERMINE THE CORRELATION COEFICIENT.
E)DETERMINE THE FISHER COEFFICIENT AND TEST THE OVERALL SIGNIFICANCE OF THE REGRESSION AT 5% LEVEL OF SIGNIFICANCE
Explanation / Answer
A. If we draw a regression line (solved my minimizing sum of squared errors) we get the equation Y = 0.8893*X
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