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Read or Download 1980 census of population: Ancestry of the population by state: 1980. supplementary report National Census and Statistics Office, National Economic and Development Authority, Republic of the Philippines, Special Report (Том 1) PDF

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Additional info for 1980 census of population: Ancestry of the population by state: 1980. supplementary report National Census and Statistics Office, National Economic and Development Authority, Republic of the Philippines, Special Report (Том 1)

Example text

The HP-71 displays the last three digits “226” either if cases a‘, b’, etc. apply, or if the output SDEV is multipled by 1000. The TI95 has a feature that allows 13 significant places to be displayed. The TI-30D fails in one case and displays “negative difference”; because of the restricted word length, and hence accuracy and number of displayable digits, this calculator should only be used to check the grocery bill and not for scientific work. The difference between program MSD in single- and double-precision mode (effected by redefining all the variables in the source program) is quite evident: either 7 or 14 significant digits; because the intermediate results are accessible, the fault can be unequivocally assigned to the SQR-function.

8426. . 00248 C Number of Significant Digits 6 5 4 3 2 (3) double-precision mode, Eq. 3a) see program MSD single-precision mode, Eq. 3a) see program MSD 20 UNIVARIATE DATA 1 in the 15‘h digit. The square of the result for the TI-95 SD differs from the correct value by about 1 . while the corresponding difference for the VB5 SD is about three orders of magnitude better. The best result achieved by Excel uses case “e”, with a deviation (s, - u ) / u on the order of 7 . 0048”); all available digits are printed here to demonstrate the limitations inherent in the employed algorithms.

4 . sigma, resp. C = 80 classes (bins), that is, each bin is u/10 wide. A rule of thumb for plotting classes (bins): that would mean about 8-12, histograms suggests C = 15-20, 30-35, 50-60, respectively 100 bins. The number C is often chosen so as to obtain convenient boundaries, such as whole numbers. , bins 1-10, 11-20, etc, and plot the average, or then one could plot a moving average. (Cf. 11. The probability density of the normal distribution. Because of the symmetry often only the right half is tabulated.

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