Analysis 1
Question
Is there a difference between married and single officers on perceptions that their job was stressful?
Hypothesis
It is hypothesized that married officers would perceive the job as more stressful.
Analysis Used: Independent Samples t-test
Group Statistics
|
|
maritial status N
|
Mean
|
Std. Deviation
|
Std. Error Mean
|
|
my job is stressful
|
single
|
105
|
4.8286
|
1.58392
|
.15457
|
|
married
|
135
|
4.8444
|
1.65208
|
.14219
|
Independent Samples Test
| |
|
Levene's Test for Equality
of Variances
|
|
|
t-test for Equality of Means |
95% Confidence Interval of
the Difference
|
| |
|
F |
sig |
t |
df |
sig(2-tailed) |
Mean
Diffrence
|
Std. Error Diffrence |
Lower |
Upper |
|
my job is
stressful
|
Equal variances
assumed
|
.018
|
.893
|
-.075
|
238
|
.940
|
-.01587
|
.21114
|
-.43181
|
.40007
|
|
|
Equal variances not assumed
|
|
|
-.076
|
227.850
|
.940
|
-.01587
|
.21003
|
-.42971
|
.39797
|
Analysis 2
QUESTION
Is there a correlation between the number of months employed as a police officer and satisfaction with their job?
HYPOTHESIS
It is hypothesized that the longer an officer is employed the more dissatisfied they become. ANALYSIS USED: Pearson r Correlation
|
months
|
I am satisfied with my job
|
|
months
|
Pearson Correlation
|
1
|
-.187**
|
|
Sig. (2-tailed)
|
|
.002
|
|
N
|
281
|
281
|
|
I am satisfied with my job
|
Pearson Correlation
|
-.187**
|
1
|
|
Sig. (2-tailed)
|
.002
|
|
|
N
|
281
|
281
|
Analysis 3
Question
Is there a significant mean difference in language development scores between the 5 hour, 10 hour, and 20 hour groups?
Hypothesis
There will be a significant difference in language development scores between children who spent 5hours, 10 hours, and 20 hours at a daycare.
Analysis: One-Way ANOVA
Descriptives
|
|
N
|
Mean
|
Std. Deviation
|
Std. Error
|
95% Confidence Interval for Mean
|
Minimum
|
Maximum
|
|
Lower Bound
|
Upper Bound
|
|
5 Hours
|
10
|
76.60
|
11.965
|
3.784
|
68.04
|
85.16
|
56
|
98
|
|
10 Hours
|
10
|
85.20
|
6.197
|
1.960
|
80.77
|
89.63
|
78
|
99
|
|
20 Hours
|
10
|
91.60
|
3.406
|
1.077
|
89.16
|
94.04
|
87
|
96
|
|
Total
|
30
|
84.47
|
9.951
|
1.817
|
80.75
|
88.18
|
56
|
99
|
ANOVA
|
|
Sum of Squares
|
df
|
Mean Square
|
F
|
Sig.
|
|
Between Groups
|
1133.067
|
2
|
566.533
|
8.799
|
.001
|
|
Within Groups
|
1738.400
|
27
|
64.385
|
|
|
|
Total
|
2871.467
|
29
|
|
|
|
Multiple Comparisons
|
(I) group
|
(J) group
|
Mean Difference (I-J)
|
Std. Error
|
Sig.
|
95% Confidence Interval
|
|
Lower Bound
|
Upper Bound
|
|
5 Hours
|
10 Hours
|
-8.600
|
3.588
|
.071
|
-17.76
|
.56
|
|
|
20 Hours
|
-15.000*
|
3.588
|
.001
|
-24.16
|
-5.84
|
|
10 Hours
|
5 Hours
|
8.600
|
3.588
|
.071
|
-.56
|
17.76
|
|
|
20 Hours
|
-6.400
|
3.588
|
.257
|
-15.56
|
2.76
|
|
20 Hours
|
5 Hours
|
15.000*
|
3.588
|
.001
|
5.84
|
24.16
|
|
|
10 Hours
|
6.400
|
3.588
|
.257
|
-2.76
|
15.56
|
*. The mean difference is significant at the .05 level.