Problem 5

A representative sample of 219 from a large class of incoming freshmen students on a college campus were surveyed.

(a) Is gender related to political orientation? Perform an appropriate test and report the following,

1. The Null and Alternate Hypothesis

2. The name of the test.

3. Your conclusion from the test.

4. Appropriate statistics from the test to support your conclusion.

5. (Optional) Any working you may want to include in this word file.

(b) Is there a significant difference (i.e. different than zero) in heights across genders in the incoming class? Perform an appropriate test and report the following,

1. The Null and Alternate Hypothesis

2. The name of the test.

3. The t statistic (t_calculated).

4. The conclusion from your hypothesis test. (i.e., report whether there is a significant difference in heights across genders).

5. (Optional) Any working you may want to include in this word file.

DATA:

id	gender	ht	wt	dog	Political_Orientation
9601	F	63	108	N	Dem
9602	M	75	158	Y	Rep
9603	F	62	145	N	Dem
9604	F	63	105	N	Dem
9605	M	73	185	Y	Dem
9606	F	63	118	Y	Rep
9607	F	63	130	N	Dem
9608	F	66	130	Y	Rep
9609	F	65	115	Y	Dem
9610	M	69	172	Y	Rep
9611	F	64	120	N	Dem
9612	M	70	196	N	Rep
9613	M	70	200	N	Rep
9614	F	68	130	N	Dem
9615	M	73	165	Y	Rep
9616	F	65	128	Y	Dem
9617	M	74	240	Y	Dem
9618	M	68	150	N	Dem
9619	F	65	110	N	Rep
9620	M	69	145	N	Rep
9621	M	72	165	N	Dem
9622	M	66	150	N	Ind
9623	F	65	130	Y	Ind
9624	F	66	132	Y	Dem
9625	F	69	135	Y	Dem
9626	F	63	180	Y	Dem
9627	M	72	165	Y	Rep
9628	M	68	139	N	Rep
9629	M	71	260	Y	Rep
9650	F	64	117	N	Rep
9651	M	68	160	Y	Dem
9652	F	68	135	Y	Dem
9653	M	70	165	N	Dem
9654	M	75	165	N	Dem
9655	M	72	165	N	Dem
9656	F	67	140	N	Ind
9657	F	64	125	N	Dem
9658	F	64	127	N	Rep
9659	M	67	127	N	Dem
9660	F	66	132	N	Dem
9661	M	69	146	Y	Dem
9662	M	69	190	Y	Rep
9663	F	63	103	Y	Dem
9664	M	72	192	Y	Rep
9665	M	69	170	Y	Ind
9666	F	65	140	N	Rep
9667	M	67	185	N	Rep
9668	F	69	140	N	Rep
9669	F	67	125	N	Rep
9670	F	65	125	N	Dem
9671	M	72	155	N	Rep
9672	F	58	140	Y	Rep
9673	F	68	125	N	Dem
9674	M	80	275	N	Dem
9675	M	69	145	N	Rep
9676	F	66	115	Y	Dem
9677	M	75	200	Y	Rep
9678	M	56	150	Y	Rep
9679	F	63	140	N	Dem
9680	F	67	132	N	Rep
9681	M	68	160	N	Ind
9682	M	71	175	N	Rep
9683	F	70	150	N	Dem
9684	F	64	160	N	Rep
9685	F	71	225	N	Rep
9686	F	63	110	Y	Rep
9687	M	66	150	Y	Ind
9688	M	69	198	N	Rep
9689	F	66	149	N	Rep
9690	F	60	110	N	Rep
9691	F	64	136	Y	Rep
9692	F	67	130	N	Dem
9693	F	69	132	N	Rep
9694	F	64	150	N	Ind
9695	M	67	200	Y	Rep
9696	M	74	170	Y	Dem
9697	F	62	125	N	Rep
9698	M	73	185	N	Dem
9699	M	66	138	N	Dem
9700	M	65	132	N	Rep
9701	F	70	128	N	Dem
9701	M	70	195	Y	Dem
9702	F	66	131	Y	Rep
9702	M	74	195	N	Rep
9703	M	69	184	Y	Dem
9703	M	72	185	Y	Rep
9704	F	64	120	Y	Rep
9704	M	75	245	Y	Dem
9705	F	70	145	Y	Dem
9705	M	72	185	N	Rep
9706	F	63	109	N	Dem
9706	M	80	237	Y	Dem
9707	F	68	115	N	Rep
9707	M	70	183	Y	Rep
9708	F	68	160	Y	Rep
9708	F	70	135	Y	Dem
9709	F	65	125	Y	Rep
9709	M	68	150	N	Rep
9710	F	67	135	Y	Dem
9710	M	68	160	Y	Ind
9711	M	69	160	N	Dem
9711	M	69	173	N	Ind
9712	M	68	165	Y	Rep
9712	M	70	185	Y	Rep
9713	F	61	127	N	Dem
9713	M	69	145	N	Dem
9714	M	68	195	Y	Rep
9714	M	70	180	N	Rep
9715	M	66	140	N	Dem
9715	M	70	195	N	Rep
9716	F	67	125	N	Dem
9716	M	69	150	Y	Rep
9717	M	69	150	Y	Rep
9717	M	70	158	Y	Dem
9718	F	66	135	N	Rep
9718	M	78	215	N	Dem
9719	M	69	186	N	Dem
9719	M	77	185	N	Rep
9720	F	60	100	Y	Dem
9720	F	66	135	Y	Rep
9721	F	64	138	N	Ind
9721	M	66	115	N	Ind
9722	F	63	105	N	Dem
9722	F	64	115	N	Dem
9723	F	60	118	N	Dem
9723	M	69	176	N	Ind
9724	M	68	129	N	Ind
9724	M	70	160	N	Dem
9725	F	61	165	N	Rep
9725	F	63	125	Y	Dem
9726	F	68	130	N	Rep
9726	M	73	180	Y	Ind
9727	M	73	180	N	Rep
9727	M	78	230	Y	Rep
9728	F	66	150	N	Ind
9728	F	66	115	Y	Dem
9729	M	69	225	Y	Rep
9730	F	62	110	Y	Dem
9730	M	69	170	N	Rep
9731	F	65	110	Y	Ind
9731	M	73	180	N	Dem
9732	F	62	135	N	Dem
9732	F	70	195	N	Rep
9733	F	65	158	N	Dem
9733	M	68	165	Y	Rep
9734	M	66	175	Y	Dem
9734	M	74	185	N	Rep
9735	F	66	150	Y	Rep
9735	M	66	160	N	Rep
9736	F	62	140	N	Rep
9736	M	72	138	N	Rep
9737	F	69	150	Y	Rep
9738	M	68	160	N	Ind
9739	F	52	134	N	Dem
9740	F	67	137	N	Dem
9741	M	71	145	N	Rep
9742	M	77	285	Y	Dem
9743	M	75	165	Y	Rep
9744	M	72	189	N	Dem
9745	F	66	140	N	Dem
9746	M	67	165	Y	Rep
9747	M	65	160	N	Dem
9748	M	68	155	Y	Rep
9749	M	70	162	N	Dem
9750	M	70	170	Y	Rep
9751	M	75	200	Y	Dem
9752	M	70	160	Y	Rep
9753	M	69	155	N	Rep
9754	M	74	250	Y	Dem
9755	F	64	160	N	Rep
9756	M	70	180	Y	Rep
9757	M	68	165	N	Rep
9758	M	69	135	N	Ind
9759	M	68	170	Y	Dem
9760	F	65	150	Y	Rep
9761	M	73	175	N	Dem
9762	M	71	165	Y	Rep
9763	M	70	175	Y	Rep
9764	M	69	160	N	Rep
9765	M	74	205	Y	Dem
9766	F	69	133	Y	Rep
9767	M	66	185	N	Rep
9768	F	65	109	N	Rep
9769	F	61	135	Y	Dem
9770	M	74	180	N	Rep
9771	F	70	130	Y	Dem
9772	F	69	135	Y	Dem
9773	M	73	158	Y	Dem
9774	M	72	205	N	Rep
9775	M	70	235	N	Rep
9776	F	66	150	N	Dem
9777	M	70	170	Y	Ind
9778	M	74	225	N	Dem
9779	M	74	155	Y	Rep
9780	M	70	176	Y	Dem
9781	M	73	150	N	Dem
9782	F	64	113	N	Ind
9783	M	73	175	N	Rep
9784	F	65	125	N	Rep
9785	F	63	120	N	Dem
9786	F	66	120	Y	Rep
9787	M	70	168	N	Rep
9788	M	71	195	N	Dem
9789	M	74	160	Y	Dem
9790	M	66	110	N	Dem
9791	F	65	110	Y	Rep
9792	M	72	205	N	Rep
9793	M	69	155	N	Ind
9794	M	67	159	N	Dem
9795	F	66	124	Y	Ind
9796	M	69	160	Y	Dem
9797	F	65	135	N	Dem
9798	F	64	127	Y	Rep
9799	F	62	105	Y	Dem
9800	M	69	142	Y	Ind
9801	F	67	125	N	Rep
9802	M	76	215	N	Dem
9803	F	63	120	N	Dem
9804	M	71	175	N	Rep