PLEASE I NEED HELP WITH THIS QUESTION

PopulationData.csv

0 158804.4

1 160905

2 163324.9

3 165988.2

4 168827.6

5 171783.8

6 174805.9

7 177851.2

8 180884.5

9 183877.9

10 186808.2

11 189654.9

12 192397.7

13 195016.2

14 197491.8

15 199815.5

16 201975.2

17 203981.9

18 205880.4

19 207733

20 209588.2

21 211461.6

22 213351.8

23 215268.7

24 217218.4

25 219205.3

26 221239.2

27 223324

28 225449.7

29 227599.9

30 229763.1

31 231939

32 234132.6

33 236344

34 238573.9

35 240824.1

36 243098.9

37 245402.9

38 247739.6

39 250113.2

40 252530

41 254974.8

42 257454.3

43 260020.2

44 262741.6

45 265658.8

46 268803.4

47 272136.6

48 275542.6

49 278862.3

50 281982.8

51 284852.4

52 287506.8

53 290027.6

54 292539.3

55 295129.5

56 297827.4

57 300595.2

58 303374.1

59 306076.4

60 308641.4

61 311051.4

62 313335.4

63 315536.7

64 317718.8

65 319929.2

66 322179.6

67 324459.5

4 70% 9