Table 2. Statistical data for radioactivity concentrations of 238U, 232Th and 40K (Bq kg−1) in the beach sand samples from the Chavara –Neendakara Placer deposits (HBRA).
238U | 232Th | 40K | |
Range | 1839–41280 | 213–6022 | 222–2531 |
Arithmetic Mean(AM) | 2355 | 14000 | 1116 |
Standard Deviation(SD) | 1726 | 11025 | 689 |
Median | 1854 | 10037 | 1116 |
Kurtosis | 0.9 | 1.2 | 0.3 |