Develop a regression model to predict deathrate using all the provided variables in the dataset. Interpret the significance of the model and the variables.

Data:

medIncome	popEst2015	povertyPercent	MedianAge	MedianAgeMale	MedianAgeFemale	PctUnemployed16_Over	PctPrivateCoverage	PctPublicCoverage	PctMarriedHouseholds	BirthRate	TARGET_deathRate
61898	260131	11.2	39.3	36.9	41.7	8	75.1	32.9	52.85607588	6.118831029	164.9
48127	43269	18.6	33	32.2	33.7	7.8	70.2	31.1	45.37250044	4.333095578	161.3
49348	21026	14.6	45	44	45.8	7	63.7	42.1	54.44486837	3.729487817	174.7
44243	75882	17.1	42.8	42.2	43.4	12.1	58.4	45.3	51.02151448	4.603840773	194.8
49955	10321	12.5	48.3	47.8	48.9	4.8	61.6	44	54.02745995	6.796657382	144.4
52313	61023	15.6	45.4	43.5	48	12.9	60	43.2	51.22035959	4.964476021	176
37782	41516	23.2	42.6	42.2	43.5	8.9	49.5	46.4	51.01389975	4.204317269	175.9
40189	20848	17.8	51.7	50.8	52.5	8.9	55.8	50.9	48.96703297	5.889178996	183.6
42579	13088	22.3	49.3	48.4	49.8	10.3	55.5	48.1	53.44699778	5.587583149	190.5
60397	843954	13.1	35.8	34.7	37	9.2	69.9	31.4	50.06357342	5.533430211	177.8
54721	16252	12.7	54.4	54	54.6	5.9	67.2	41.6	50.0389206	4.586129754	121.4
51395	121846	15.7	41	40	42.2	8.2	64.4	38.1	52.93732685	5.818153266	172.7
52673	11339	12.6	45.2	44.9	45.5	8.3	64.4	36.1	52.94771969	4.805591962	188.3
71890	772501	9.9	37.6	36.6	38.7	7.5	73.3	25.9	52.72049671	4.729251068	165.3
50083	490945	16.3	37.2	35.7	38.7	8.4	65.2	36.5	48.18837711	5.355835918	171
43823	43791	19.3	46.2	45.6	46.8	9.4	58.3	45.8	55.21239889	3.631082062	174.2
61653	269536	11.9	38.5	37.1	39.9	8.5	74.5	30.7	50.87449211	5.180155167	169.9
51022	4042	13.9	52.1	51.5	53.1	10.6	64.7	49.7	53.37995338	0.535475234	153.8
49819	60338	15.7	36.9	35.5	39.1	6.4	65.7	38	49.3270649	4.138710893	162.8
53733	212284	15.7	36.5	35.6	37.5	8.2	68.7	31.9	48.06875024	4.4729858	163.3
41837	48177	28.4	24.2	24.4	23.9	8.8	78.3	22.9	40.55405483	3.304159034	140.8
44342	248830	20.5	32.5	31.6	33.6	9	54.6	35.7	50.66898414	6.560611666	169.4
35615	16704	21.5	41.5	40.9	42.1	9	55.6	44.8	55.28885946	2.292860865	189.7
56737	111901	13.2	38.4	38	38.6	9.7	70	33.1	51.52350516	4.872468117	206.1
37625	23372	22.1	41.9	41.2	43.2	9.2	60.2	46.3	53.06378967	4.220287661	236.7
33817	14415	22.2	44.5	43.7	45.3	14.4	56.1	43.4	53.27269485	5.469020422	196.3
43572	23350	15.1	45.9	44.1	48	6.4	68.3	39.7	47.58723829	4.970530452	186.2
34887	96844	21.9	38.5	36.9	39.9	6.8	63.3	39	40.76501639	4.521925134	194
32162	7470	21.8	47	47.6	46.5	18.1	52.4	46	53.33333333	4.780114723	226.5
32961	8910	25.1	43.3	43.4	43.3	12.3	48.7	52	58.09248555	8.753056235	212.9
41838	8176	17.4	43.7	41.8	45.5	6.5	55.2	45.2	53.92670157	6.016466118	185.6
36739	44997	21.4	43.2	42	45.1	9.2	53.4	47.8	49.88397759	6.526136485	217
32705	8518	28.9	38.4	37.4	41.2	9.4	61.3	39	52.58746356	2.328431373	209.9
41039	11766	17	45.6	45.5	45.7	6.7	65.1	42.4	55.4011976	3.528435035	128
36996	35516	21.1	45.3	44.6	46.7	7.2	61.9	43	47.48027903	4.354354354	195.1
35980	23353	21.2	44.6	44	45.1	8.1	50.5	44.7	33.68648224	2.28320067	212.1
48178	29815	12.9	45.6	44.1	47.9	7.2	69.5	37.6	48.44113541	5.693029274	184.1
41010	13852	15.3	44.5	44.2	45	7.9	65.8	38.2	51.41582622	2.955003358	153
42121	68714	13.9	42	40.5	43.5	7.4	64	39.5	49.69820377	5.060383303	206.7
41121	29237	16.7	42.6	41.2	44.1	6.8	66.9	40.6	55.45062062	4.735242361	194.2
66950	56482	10.2	39.7	39.9	39.3	8.4	73.3	29.2	54.09965078	4.995519713	178.2
43936	188332	16.8	42.8	40.9	44.3	7	66	39.4	43.74346505	4.091266719	205.4
40568	16448	20	43.3	42.2	44.7	7.2	56.4	46.8	49.87741342	4.374100719	218.4
34295	21415	24.4	41.9	41.4	42.8	10.1	51.7	52.6	52.9271954	2.635983264	226.9
36437	34707	20.2	42.6	41.5	44.1	10.9	56.1	45.5	52.33924375	4.195713917	240.1
24707	19835	34.9	44.1	41.5	46.5	13.3	39.7	58.5	44.26650367	3.860072376	234.8
43729	56925	17.9	41.1	39.7	42.7	4.9	67.6	35.7	49.46399182	5.113459745	188.8
43356	31978	15.2	44.3	42.9	46.5	7	70.3	37.5	55.3172673	3.174132305	184.6
35799	27037	20.6	43	42.3	44.1	10.3	59.6	47.6	50.71046319	3.66910141	209.5
35046	61164	20.5	42.3	40.6	43.7	5.1	56.4	48.2	48.3713803	4.807972069	210
40012	27451	16.1	43.2	42.1	44.4	8.8	58.6	39.4	42.97381269	7.391231312	198.4
29839	25292	28.1	41.7	40.4	42.7	14.1	51.6	50.9	52.14865363	2.796024928	240.8
43835	104236	22.5	30	28.5	31.3	5.8	76.5	23.3	40.42122317	4.001671717	155.9
36351	13506	19.3	46.6	45.4	48.3	7.3	60.5	45.2	53.16042597	6.07651913	190.7
44446	17524	13	46.1	45.8	46.6	12.3	63.7	38.4	45.14153511	4.090035685	209.7
36375	25594	19.6	43.4	42.3	44.7	8.4	61.6	44.1	55.74302401	3.346456693	199.8
40195	43066	18.4	43.3	41.3	45.1	5.5	70.9	36.2	42.92698827	3.257226644	184.4
38204	7229	16.7	49.1	47.4	50.3	4.9	59.8	45.3	54.86268174	7.611940299	139.8
44801	7674	16.5	43.6	42	45.6	8.2	71.6	36.8	56.79225717	2.966381015	213.3
34341	8607	17.6	48.4	47.9	49	5.7	60	44.9	53.27803051	4.256631709	176.8
41420	33940	17.6	42.3	40.4	43.5	7	63.5	39.3	56.80724824	4.038301415	169.8
59472	56848	10	41	40.4	41.6	3.7	73.6	31.2	58.72299258	6.034482759	171.5
40270	77510	17.7	41.6	40	43.4	6.6	60.6	44.6	49.67065294	3.77850558	198.2
37468	29126	20.8	43.2	41.7	45.1	6.7	59.6	43.3	51.97613076	4.231027535	168.6
46383	9982	17.7	45.2	45.1	45.3	10.6	57.4	46.9	49.74632166	6.267539757	214.7
33041	14435	23.1	44.2	43.2	45	8.9	51.6	51.8	52.19686649	2.353331124	204
32456	13239	25.8	46.3	46.9	46	10	60.2	49.6	50.44770774	3.812668868	170.4
40305	16912	16.8	43	41.6	44.5	9.5	63.7	42.6	52.0647653	6.801152738	172.2
36466	6966	17.1	47.7	47	48.4	7.6	68	39.3	56.87707641	3.868613139	168.1
41019	8975	15.8	46.2	45.6	46.9	10.9	62.3	43	52.40597345	1.988950276	199.1
38387	24758	19.7	41.8	41.2	42.5	8	59.7	40.2	53.55768173	5.300938708	189.5
37242	40971	20	42.5	41.3	43.5	9.9	54.6	45.6	47.52860823	4.112005292	183.8
29331	8755	26.1	46.3	45.5	46.6	14.8	45.1	53.3	48.72652431	4.203539823	259.5
40013	15816	18.5	46	44.6	47.2	8.1	63.5	44.6	51.70881226	6.161137441	202.6
38600	5880	20.3	45	45.4	44	8.4	61.6	41.4	51.76954733	5.968928863	185.8
41932	86452	17.2	42.5	41.1	44	8.6	63	42	47.88351017	6.23870268	185.5
34419	22151	22.8	42.8	41.5	44.2	10.1	54.6	49.9	54.03848244	6.018614271	235.4
42063	20148	17.8	51.4	49.7	53.3	10.1	63.9	50.8	54.12278449	3.861129137	206
41294	15843	14.9	42.2	40.8	42.8	7.9	62.7	42.5	42.79547484	6.460336538	217.5
46375	45563	13.7	43.9	42	45.6	6	68.4	39.2	52.64644351	5.884312202	168.4
44395	14977	13.6	50.8	50.5	51.1	7.2	65.9	44.1	52.79664691	5.547054323	171.7
54141	258718	12	36.8	35.7	37.9	6.1	72.5	30	49.80425278	5.921762149	158.6
50998	13192	10.5	45	45.1	44.9	3.7	73.4	34.5	54.08074857	7.17472119	166.4
41810	15159	16.5	50.9	50.6	51.4	7.5	64.2	48.2	51.08041575	4.96054115	190.1
68430	49762	5.9	39	38.4	39.8	3.1	84.1	22.4	62.98229565	4.330985915	157.9
52485	63531	10.7	40.6	39.1	42	5.1	73.4	33.9	55.24062236	5.497771174	160.1
45316	34445	16	37.1	36.4	38.4	4.8	56.6	34	57.41970774	9.86429301	157.6
59020	56743	8.8	42	41.3	42.7	5.8	78.2	29.4	54.30466505	4.654466449	176.6
43562	16391	14.7	45.9	44.2	47.1	6.5	67.4	41	51.27585686	5.300353357	176.4
61937	523643	13.4	34.6	33.7	35.6	4.9	82.5	22.6	45.26843317	4.458527742	153.8
54359	88502	9.9	42	40.4	43.7	6	77.7	30.3	53.53820299	4.49736915	178.9
49717	27554	11	51.7	50.2	53.2	6.2	75.8	39.5	56.50832819	4.481380181	158.7
46475	43601	13.9	40.6	39.8	41.3	7	66.5	37.9	44.24412034	6.150455775	192.8
52224	44497	13.9	34.1	33.4	35	6.1	72.4	32.3	51.38981814	5.116736739	155.6
48102	102105	14.4	33.8	33	34.7	5.8	74.8	29.4	46.89544532	4.346348463	163.4
44562	4464	12.8	51.1	50.8	51.3	7.2	68.9	41.8	57.93067227	3.462050599	171.9
52149	101973	9.9	41	40.1	41.8	5.3	77.1	30.6	53.51968638	4.541733098	159.4
41418	9057	17	45.3	44.4	46.4	10.1	59.8	43.9	51.39107612	7.250418293	166.4
46972	52250	15	36.1	33.2	39.7	4.6	74.8	30.4	51.66349565	5.174434328	166.9
53328	37186	8.7	42.2	41.3	43.2	3.5	78.2	30.2	55.2736352	5.46031746	158.4