Data Analysis Question 1(a) Weekly Ordinary Time Salary Descriptives Statistic Std. Error Weekly ordinary time salary (excluding paid overtime, etc.) Mean $874.17 $57.403 95% Confidence Interval for...

Data Analysis
1. The employee databasecontains the variable weekly ordinary time salary (WkSalry).With
reference to thesample, we require:
(a) Summary statistics for the entire sample of 48 employees for this variable, that you
thinkmay berelevant.
Descriptive Statistics
N Minimum Maximum Mean
Std.
Deviation Skewness Kurtosis
Statistic Statistic Statistic Statistic Statistic Statistic Std. Error Statistic Std. Error
Weekly ordinary time
salary (excluding
paid overtime, etc.)
48 $400 $1,720 $874.17 $397.700 .633 .343 -.908 .674
Valid N (listwise) 48




(b)A similar studybased on:
(i)gender
Descriptives
Gender Statistic Std. Error
Weekly ordinary time
salary (excluding paid
overtime, etc.)
Male Mean $852.04 $68.201
95% Confidence
Interval for Mean
Lower Bound $711.58
Upper Bound $992.50
5% Trimmed Mean $835.81
Median $810.00
Variance 1.209E5
Std. Deviation $347.759
Minimum $420
Maximum $1,590
Range $1,170
Interquartile Range $461
Skewness .693 .456
Kurtosis -.398 .887
Female Mean $900.32 $97.397
95% Confidence Lower Bound $697.77
Interval for Mean Upper Bound $1,102.8
7
5% Trimmed Mean $882.93
Median $680.00
Variance 2.087E5
Std. Deviation $456.831
Minimum $400
Maximum $1,720
Range $1,320
Interquartile Range $781
Skewness .537 .491
Kurtosis -1.383 .953




(ii)managers and non- managers
Descriptives
Position Statistic Std. Error
Weekly ordinary time salary MMean $929.12 $78.629
(excluding paid overtime,
etc.)
a
n
a
g
e
r
95% Confidence Interval for
Mean
Lower Bound $766.47
Upper Bound $1,091.78
5% Trimmed Mean $915.60
Median $810.00
Variance 1.484E5
Std. Deviation $385.204
Minimum $400
Maximum $1,720
Range $1,320
Interquartile Range $537
Skewness .672 .472
Kurtosis -.614 .918
N
o
n
-
M
a
n
a
g
e
r
Mean $819.21 $83.796
95% Confidence Interval for
Mean
Lower Bound $645.86
Upper Bound $992.55
5% Trimmed Mean $797.04
Median $535.00
Variance 1.685E5
Std. Deviation $410.515
Minimum $420
Maximum $1,630
Range $1,210
Interquartile Range $735
Skewness .727 .472
Kurtosis -1.057 .918



(iii) three levels of job security
Descriptives
Perception of Job Security at Conrobar Statistic Std. Error
Weekly ordinary time salary
(excluding paid overtime,
etc.)
Insecure Mean $849.71 $134.949
95% Confidence Interval for
Mean
Lower Bound $558.17
Upper Bound $1,141.25
5% Trimmed Mean $826.35
Median $680.00
Variance 2.550E5
Std. Deviation $504.934
Minimum $400
Maximum $1,720
Range $1,320
Interquartile Range $1,026
Skewness .950 .597
Kurtosis -.960 1.154
Secure Mean $886.70 $76.375
95% Confidence Interval for
Mean
Lower Bound $726.85
Upper Bound $1,046.55
5% Trimmed Mean $872.17
Median $867.50
Variance 1.167E5
Std. Deviation $341.558
Minimum $500
Maximum $1,535
Range $1,035
Interquartile Range $668
Skewness .467 .512
Kurtosis -.995 .992
Very Secure Mean $880.71 $101.922
95% Confidence Interval for
Mean
Lower Bound $660.53
Upper Bound $1,100.90
5% Trimmed Mean $873.02
Median $860.00
Variance 1.454E5
Std. Deviation $381.357
Minimum $420
Maximum $1,480
Range $1,060
Interquartile Range $846
Skewness .380 .597
Kurtosis -1.177 1.154


2. The employeedata base contains the variable job satisfaction (Jobsat).With reference to
thesample, we require:
(a) Summary statistics for the entire sample of 48 employees for this variable, that you
thinkmay berelevant.
Descriptive Statistics
N Minimum Maximum Mean
Std.
Deviation Skewness Kurtosis
Statistic Statistic Statistic Statistic Statistic Statistic Std. Error Statistic Std. Error
Job satisfaction.
Rating from 0 to 20.
48 8 18 13.67 2.554 -.322 .343 -.441 .674
Valid N (listwise) 48



(b)A similar study based on:
(i)gender
Descriptives
Gender Statistic Std. Error
Job satisfaction. Rating
from 0 to 20.
Male Mean 14.50 .471
95% Confidence Interval
for Mean
Lower Bound 13.53
Upper Bound 15.47
5% Trimmed Mean 14.67
Median 15.00
Variance 5.780
Std. Deviation 2.404
Minimum 9
Maximum 17
Range 8
Interquartile Range 4
Skewness -.833 .456
Kurtosis .128 .887
Female Mean 12.68 .516
95% Confidence Interval
for Mean
Lower Bound 11.61
Upper Bound 13.75
5% Trimmed Mean 12.65
Median 13.00
Variance 5.846
Std. Deviation 2.418
Minimum 8
Maximum 18 ...