Question: Is there a difference in mean total cholesterol levels between race/ethnicity groups in P-value? Group Statistics Race/Ethnicity N Mean Std. Deviation Std. Error Mean Total
Is there a difference in mean total cholesterol levels between race/ethnicity groups in P-value?
Group Statistics
Race/Ethnicity N Mean Std. Deviation Std. Error Mean
Total cholesterol (mg/dL) Non-Hispanic Whit 502 197.45 43.715 1.951
Non-Hispanic Black 332 184.89 42.027 2.307
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
Total cholesterol (mg/dL) Equal variances assumed 2.259 .133 4.123 832 .000 12.558 3.045 6.580 18.535
Equal variances not assumed 4.157 727.925 .000 12.558 3.021 6.627 18.489
Group Statistics
Race/Ethnicity N Mean Std. Deviation Std. Error Mean
Total cholesterol (mg/dL) Mexican American 511 182.38 43.556 1.927
Other 125 188.31 46.303 4.141
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
Total cholesterol (mg/dL) Equal variances assumed .141 .708 -1.349 634 .178 -5.936 4.401 -14.579 2.706
Equal variances not assumed -1.300 181.426 .195 -5.936 4.568 -14.949 3.076
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