example of spss t test

Pages: 3 (522 words) Published: May 6, 2015
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One-Sample Statistics

N
Mean
Std. Deviation
Std. Error Mean
Number of hours worked last week
1497
45.63
10.632
.275

The respondents worked more than 40 hours per week. (mean=45.63, SD=10.63). The difference was significant (t=20.48, p.109

Independent Samples Test

Levene's Test for Equality of Variances
t-test for Equality of Means

F
Sig.
t
df
Sig. (2-tailed)
Mean Difference
Std. Error Difference
95% Confidence Interval of the Difference

Lower
Upper
Hours per day watching TV
Equal variances assumed
.221
.638
.068
904
.946
.012
.172
-.327
.350

Equal variances not assumed

.067
792.603
.947
.012
.174
-.330
.353

There is no significant difference between male(mean=3.01, SD=2.65)and female(mean=3.00, SD=2.50) in watching TV(t=0.07,p=.946).

RATE JOB DONE: CJ SYSTEM OVERALL * RATE JOB DONE: VT'S JUDGES OVERALL Crosstabulation

RATE JOB DONE: VT'S JUDGES OVERALL
Total

Excellent
Good
Only fair
Poor

RATE JOB DONE: CJ SYSTEM OVERALL
Excellent
Count
10
6
3
0
19

% within RATE JOB DONE: VT'S JUDGES OVERALL
27.0%
2.2%
1.5%
0.0%
3.4%

Good
Count
20
172
54
4
250

% within RATE JOB DONE: VT'S JUDGES OVERALL
54.1%
62.3%
27.7%
7.7%
44.6%

Only fair
Count
7
88
117
17
229

% within RATE JOB DONE: VT'S JUDGES OVERALL
18.9%
31.9%
60.0%
32.7%
40.9%

Poor
Count
0
10
21
31
62

% within RATE JOB DONE: VT'S JUDGES OVERALL
0.0%
3.6%
10.8%
59.6%
11.1%
Total
Count
37
276
195
52
560

% within RATE JOB DONE: VT'S JUDGES OVERALL
100.0%
100.0%
100.0%
100.0%
100.0%

Chi-Square Tests

Value
df
Asymp. Sig. (2-sided)
Pearson Chi-Square
271.101a
9
.000
Likelihood...