身長 -840.4 cm の偏差値は年齢別に以下のようになります。

年齢	男性の場合の偏差値	女性の場合の偏差値
6	-1864.36	-1878.12
7	-1904.14	-1843.94
8	-1756.94	-1681.86
9	-1676.84	-1538.78
10	-1604.02	-1422.49
11	-1330.18	-1435.2
12	-1210.27	-1601.35
13	-1280.47	-1898.06
14	-1446.68	-1856.67
15	-1698.72	-1817.96
16	-1695.32	-1781.03
17	-1702.88	-1815.66
18	-1772.56	-1809.27
19	-1747.48	-1746.1
20	-1757.25	-1759.28
21	-1767.13	-1772.66
22	-1777.13	-1786.23
23	-1780.54	-1789.71
24	-1787.3	-1796.6
25	-1790.75	-1800.09
26	-1797.57	-1807.06
27	-1804.47	-1810.61
28	-1790.98	-1817.63
29	-1777.69	-1821.2
30	-1767.85	-1828.31
31	-1754.9	-1835.47
32	-1742.12	-1839.09
33	-1754.8	-1839.17
34	-1764.39	-1839.24
35	-1777.38	-1839.32
36	-1787.22	-1839.38
37	-1800.55	-1839.45
38	-1787.01	-1846.36
39	-1776.95	-1856.93
40	-1763.75	-1863.97
41	-1750.73	-1874.74
42	-1741.06	-1881.9
43	-1753.49	-1900.43
44	-1762.85	-1915.45
45	-1775.6	-1930.69
46	-1785.19	-1950.2
47	-1798.26	-1966.02
48	-1798.01	-1961.73
49	-1797.77	-1957.48
50	-1800.9	-1953.23
51	-1800.64	-1949.02
52	-1800.4	-1940.82
53	-1813.43	-1944.12
54	-1826.67	-1943.42
55	-1840.11	-1942.74
56	-1853.74	-1942.04
57	-1863.95	-1941.36
58	-1838.16	-1936.85
59	-1809.63	-1932.33
60	-1785.26	-1927.85
61	-1758.24	-1923.39
62	-1732.0	-1922.84
63	-1731.36	-1926.18
64	-1727.6	-1929.56
65	-1726.96	-1932.93
66	-1723.21	-1936.32
67	-1719.45	-1939.72
68	-1722.19	-1939.18
69	-1721.78	-1938.64
70	-1721.39	-1934.12
71	-1720.99	-1933.58
72	-1720.6	-1933.02
73	-1713.9	-1641.43
74	-1704.18	-1422.27
75	-1697.6	-1255.01
76	-1688.04	-1121.79
77	-1678.6	-1013.18

前後の身長

-841.4 cm

-839.4 cm