Question

Do confidence interval Estimate the difference between grade of Male and female students using 98% level of confidence and write your conclusion - insert the SPSS output in the space below.

Gender	Grade	Ehicity
Female	87	African American
Male	95	Hispanic
Female	81	White
Female	74	White
Female	73	African American
Male	92	African American
Female	63	White
Female	55	White
Female	94	White
Female	84	White
Male	88	White
Male	78	Hispanic
Male	75	African American
Male	93	Hispanic
Female	87	Hispanic
Male	65	Hispanic
Male	90	African American
Female	89	African American
Female	82	White
Female	77	African American
Female	82	White
Female	72	White
Female	86	White
Female	60	White
Female	90	Hispanic
Male	87	Hispanic
Female	89	African American
Male	77	African American
Male	76	Hispanic
Female	80	Hispanic
Female	74	Hispanic
Female	88	White
Female	80	White
Female	80	African American
Female	81	White
Male	74	Hispanic
Male	80	White
Female	74	African American
Female	91	White
Male	74	White

Answer 1

The 98% Confidence interval is (-5.638, 9.605)

Conclusion: The 98% confidence interval includes zero. Hence we can conclude that there is no significant difference between grade of Male and female student at 98% level of confidence.