The excel file attached in this homework contains personal medical cost data. Explore the relationship between Age and Charges (individual medical costs billed by health insurance) by plotting the data and adding curve fitting trendline with linear and polynomial (order 2) using Excel.

Age	Charges
19	16884.924
33	21984.47061
60	28923.13692
62	27808.7251
27	39611.7577
30	36837.467
34	37701.8768
31	38711
22	35585.576
28	51194.55914
62	15612.19335
35	39774.2763
60	48173.361
55	20630.28351
36	38709.176
48	23568.272
36	37742.5757
58	47496.49445
18	34303.1672
53	23244.7902
64	30166.61817
28	17663.1442
27	16577.7795
22	37165.1638
37	39836.519
45	21098.55405
57	43578.9394
59	30184.9367
64	47291.055
56	22412.6485
38	15820.699
18	21344.8467
61	30942.1918
20	17560.37975
63	47055.5321
60	30259.99556
29	19107.7796
44	39556.4945
19	17081.08
32	32734.1863
54	27322.73386
34	27375.90478
34	18972.495
29	18157.876
30	20745.9891
46	40720.55105
42	19964.7463
48	21223.6758
18	15518.18025
30	36950.2567
50	19749.38338
42	21348.706
18	36149.4835
63	48824.45
36	43753.33705
27	37133.8982
35	20984.0936
24	25081.76784
19	34779.615
42	19515.5416
58	24227.33724
40	19444.2658
19	17352.6803
23	38511.6283
55	35160.13457
63	29523.1656
54	24476.47851
63	47305.305
54	44260.7499
50	41097.16175
56	43921.1837
19	33750.2918
20	17085.2676
52	24869.8368
19	36219.40545
53	20462.99766
46	46151.1245
40	17179.522
50	42856.838
40	22331.5668
54	48549.17835
59	47896.79135
52	25992.82104
29	20277.80751
25	42112.2356
19	16297.846
47	21978.6769
31	38746.3551