T-Test

		[DataSet1] D:\Program Files\SPSSEval\World95.sav

**One-Sample Statistics**
	N	Mean	Std. Deviation	Std. Error Mean
Average female life expectancy	109	70,16	10,572	1,013

**One-Sample Test**
	Test Value = 65
	t	df	Sig. (2-tailed)	Mean Difference	95% Confidence Interval of the Difference
	t	df	Sig. (2-tailed)	Mean Difference	Lower	Upper
Average female life expectancy	5,092	108	,000	5,156	3,15	7,16

		[DataSet1] D:\Program Files\SPSSEval\World95.sav

**Paired Samples Statistics**
		Mean	N	Std. Deviation	Std. Error Mean
Pair 1	Average female life expectancy	70,16	109	10,572	1,013
Pair 1	Average male life expectancy	64,92	109	9,273	,888

**Paired Samples Correlations**
		N	Correlation	Sig.
Pair 1	Average female life expectancy & Average male life expectancy	109	,982	,000

**Paired Samples Test**
		Paired Differences					t	df	Sig. (2-tailed)
		Mean	Std. Deviation	Std. Error Mean	95% Confidence Interval of the Difference
		Mean	Std. Deviation	Std. Error Mean	Lower	Upper
Pair 1	Average female life expectancy - Average male life expectancy	5,239	2,269	,217	4,808	5,669	24,109	108	,000

		[DataSet1] D:\Program Files\SPSSEval\World95.sav

**Group Statistics**
	Region or economic group	N	Mean	Std. Deviation	Std. Error Mean
Gross domestic product / capita	Africa	19	998,68	1178,258	270,311
Gross domestic product / capita	Latn America	21	1997,67	1482,123	323,426

**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
		F	Sig.	t	df	Sig. (2-tailed)	Mean Difference	Std. Error Difference	Lower	Upper
Gross domestic product / capita	Equal variances assumed	,534	,469	-2,343	38	,024	-998,982	426,416	-1862,217	-135,748
Gross domestic product / capita	Equal variances not assumed			-2,370	37,415	,023	-998,982	421,512	-1852,727	-145,238

		[DataSet1] D:\Program Files\SPSSEval\World95.sav

**Group Statistics**
	Region or economic group	N	Mean	Std. Deviation	Std. Error Mean
Gross domestic product / capita	OECD	21	16610,86	3725,971	813,073
Gross domestic product / capita	East Europe	14	5159,79	1708,701	456,670

**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
		F	Sig.	t	df	Sig. (2-tailed)	Mean Difference	Std. Error Difference	Lower	Upper
Gross domestic product / capita	Equal variances assumed	2,890	,099	10,732	33	,000	11451,071	1067,040	9280,163	13621,980
Gross domestic product / capita	Equal variances not assumed			12,279	30,014	,000	11451,071	932,542	9546,602	13355,541