QTN 15 T-Test

QTN

QTN15

T-Test

Paired Samples Statistics

Mean

N

Std. Deviation

Std. Error Mean

Pair 1

SEI

24.055

1258

27.4824

.7748

SEX

.57

1258

.496

.014

#

Paired Samples Correlations

N

Correlation

Sig.

Pair 1

SEI &amp SEX

1258

-.023

.409

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

SEI – SEX

23.4883

27.4984

.7753

21.9673

25.0093

30.296

1257

.000

Inthe paired sample correlations table Significant value (0.409)&gt0.05implies that there is no major difference

Inthe respect of the professions held by 2010 GSS young women and menand thus there is no reason to reject the null hypothesis.

QTN16.

T-Test

One-Sample Statistics

N

Mean

Std. Deviation

Std. Error Mean

SIBLINGS

1258

3.97

4.029

.114

One-Sample Test

Test Value = 3

t

df

Sig. (2-tailed)

Mean Difference

95% Confidence Interval of the Difference

Lower

Upper

SIBLINGS

8.509

1257

.000

.967

.74

1.19

Sigvalue is 0.000&lt0.05 thus implying that we should reject the nullhypothesis. Also the confidence interval

Doesnot include a zero giving a reason to reject the null hypothesis

QTN15

T-Test

Group Statistics

SEX

N

Mean

Std. Deviation

Std. Error Mean

OKSPEECH

FEMALES

423

3.56

1.725

.084

MALES

499

3.54

1.680

.075

OKTEACH

FEMALES

400

2.82

1.843

.092

MALES

473

3.05

1.802

.083

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

OKSPEECH

Equal variances assumed

1.656

.198

.203

920

.839

.023

.112

-.198

.244

Equal variances not assumed

.203

887.316

.839

.023

.113

-.198

.244

OKTEACH

Equal variances assumed

.431

.512

-1.866

871

.062

-.231

.124

-.473

.012

Equal variances not assumed

-1.862

840.566

.063

-.231

.124

-.474

.012

Significantvalues 0.918 and 0.512&gt0.05 implying that 2010 GSS were notsignificantly ready to let contentious

Peoplegive public speeches than to lease them teach in institution

References

NationalCenter for Health Statistics (US). Division of Vital Statistics, etal.Vitalstatistics of the United States.United States Bureau of the Census, 1975.

Lloyd-Jones,Donald, et al. &quotExecutive summary: heart disease and strokestatistics–2010 update: a report from the American HeartAssociation.&quotCirculation&nbsp121.7(2010): 948.