Independent T-Test for Lower Level of Depression
T-Test
[DataSet1] C:UsersucerDesktopPolit2SetC.sav
Group Statistics
Currently employed?
Mean
Deviation
Error Mean
CES-D Score
Levene's Test for Equality of Variances
t-test for Equality of Means
F
Sig.
df
Sig. (2-tailed)
Mean Difference
Error Difference
95% Confidence Interval of the Difference
Lower
Upper
CES-D Score
Equal variances assumed
Equal variances not assumed
The total sample size is 960. Out of the sample size, 524 women are unemployed versus 436 women are employed. The standard deviation of each group is 12.46 for unemployed women and 15.82 for employed women. The significant level of the two variables is 0.000 less than .05 showing that there is no statistically significant difference between them showing that there is no statistical difference between their means. Since the Sig is < .05, the study agrees that Equal variances not assumed. The value of the t statistic is 6,825 and p-value is 0.000, and number of degrees of freedom is .74326 and .72949. (Kent State University, 2016).
PART II
T-TEST PAIRS=cesd WITH cesdwav1 (PAIRED)
/CRITERIA=CI (.9500)
/MISSING=ANALYSIS.
T-Test
[DataSet1] C:UsersucerDesktopPolit2SetC.sav
Paired Samples Statistics
Mean
N
Std. Deviation
Std. Error Mean
Pair 1
CES-D Score
18,5516
11,87462
,94770
CESD Score, Wave 1
17,8344
11,49908
,91773
Paired Samples Correlations
N
Correlation
Sig.
Pair 1
CES-D Score & CESD Score, Wave 1
,412
,000
Paired Samples Test
Paired Differences
t
df
Sig. (2-tailed)
Mean
Std. Deviation
Std. Error Mean
95% Confidence Interval of the Difference
Lower
Upper
Pair 1
CES-D Score - CESD Score, Wave 1
,71718
12,67921
1,01191
-1,28164
2,71599
,709
,480
The total sample size is 157. The standard deviation for the (SD) CES-D scores at Wave and Wave 2 are 11.87 and 11.49 respectively.
The mean difference between the two time periods is 0.7172. The value of t-statistic is .709, the number of degree of freedom is 1.0119 and the p-value (sig) is .480. The data support the hypothesis because p-value is greater that 0.05.
Part III
T-TEST GROUPS=educatn (1 2)
/MISSING=ANALYSIS
/VARIABLES=cesd sf12phys sf12ment
/CRITERIA=CI (.95).
T-Test
[DataSet1] C:UsersucerDesktopPolit2SetC.sav
Group Statistics
Educational attainment
N
Mean
Std. Deviation
Std. Error Mean
CES-D Score
No high school diploma
20,1408
11,49986
,54031
Diploma or GED
17,5931
11,72389
,53793
SF12: Physical Health...
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