Business Information Systems - Doc

Running head: BUSINESS INFORMATION SYSTEMS
Business Information Systems
Name of the Student:
Name of the University:
Course ID:

BUSINESS INFORMATION SYSTEMS1
Table of Contents
Data analysis:.............................................................................................................................2
Assignment 9..........................................................................................................................2
Assignment 9. a).................................................................................................................2
Assignment 9. b)................................................................................................................2
Assignment 9. c).................................................................................................................3
Assignment 9. d)................................................................................................................4
Assignment 10. Conclusion of data analysis:........................................................................6
References:.................................................................................................................................8
Table of Figures
Figure 1: Histogram of average increment.................................................................................3
Figure 2: The distribution of average increment rates with respect to the types of genders......4
Figure 3: Residual plot and normal probability plot of linear regression model for female
employees...................................................................................................................................6
Figure 4: Residual plot and normal probability plot of linear regression model for male
employees...................................................................................................................................7

BUSINESS INFORMATION SYSTEMS2
Table of Tables
Table 1: Table of frequency distribution of average increment.................................................3
Table 2: Table of location measures of average increment of females and males.....................4
Table 3: Linear regression model of Start salary and Current salary for females......................5
Table 4: Linear regression model of Start salary and Current salary for males.........................6

BUSINESS INFORMATION SYSTEMS3
Data analysis:
Assignment 9.
Assignment 9. a)
The formula used for making “Length Empl” column is given as-
“Length Empl” = (2014 - Start Yr) ........................................... (1)
(Working period is assumed till the end of 2014).
The formula used for making “Avg Incr” column is given as -
“Avg Incr” = ( Current Salary−Start Salary
Length Empl ) .................................... (1)
Assignment 9. b)
Table 1: Table of frequency distribution of average increment
Bin
Frequenc
y
0 1
5000 88
10000 9
15000 0
20000 2
25000 0
More 0
Figure 1: Histogram of average increment