Fig. 1.
Dependence of the efficiency Var of various estimators of the expected value for different PDFs of the observed dispersion of IMI readings: (a) Arcsine; (b) Uniform; (c) Triangular; (d) Normal.
Fig. 2.
Dependence of the ratio of the variances of the sample mid-range and the sample average on the number of repeated measurements n with their uniform distribution law.
Fig. 3.
Dependence of the coefficient α on n for different distribution laws: o – arcsine; ◊ – normal; □ – uniform.
Fig. 4.
Standard hygrometer Testo 400 (a) and humidity generator type “Huminator” (b).
Fig. 5.
Histogram of standard hygrometer readings scatter.
Fig. 6.
Dependence of estimates of the expected value on n: –– arithmetic mean; – – mid-range
Fig. 7.
Experimental dependence (▲) of the conversion coefficient α of the sample range of readings of the standard hygrometer into the sample standard deviation on the sample size n.