Interpretation of the interval

Assignment Help Engineering Mathematics

Reference no: EM13823473

Answer in step by step form:

Birth Weight (kg)	Gestation Age	Hospital of birth	Birth Weight	Gestation age	Hospital of Birth
(kg)	(weeks)		(kg)	(Weeks)
1.4	30	A	1	29	C
0.9	27	B	1.4	33	C
1.2	33	A	0.9	28	A
1.1	29	C	1	28	C
1.3	35	A	1.9	36	B
0.8	27	B	1.3	29	B
1	32	A	1.7	35	C
0.7	26	A	1	30	A
1.2	30	C	0.9	28	A
0.8	28	A	1	31	A
1.5	32	B	1.6	31	B
1.3	31	A	1.6	33	B
1.4	32	C	1.7	34	B
1.5	33	B	1.6	35	C
1	27	A	1.2	28	A
1.8	35	B	1.5	3	B
1.4	36	C	1.8	34	B
1.2	34	A	1.5	34	C
1.1	28	B	1.2	30	A
1.2	30	B	1.2	32	C

Consider the data in listed in the table above.

1. Assuming population variances are equal; construct an appropriate 95% confidence interval for the difference in mean Gestation Age between infants born in Hospital B and Hospital C.
2. Provide an interpretation of the interval in part a.
3. Assuming population variances are not equal; construct an appropriate 95% confidence interval for the difference in mean Gestation Age between infants born in Hospital A and Hospital B.
4. Assuming the population variances are equal, construct an appropriate 90% confidence interval for the difference in mean Birth Weight between infants born in Hospital A and Hospital C.
5. Provide an interpretation of the interval in part d.

Reference no: EM13823473

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