Amendments and Corrections: Determination of Sample Size for Testing the Relation Between an Incident and a Set of Random Variables in a Sample Survey

For a sequence of independent, identically distributed random variable (iid rv's) [Formula: see text] and a sequence of integer-valued random variables [Formula: see text], define the random quantiles as [Formula: see text], where [Formula: see text] denote the largest integer less than or equal to [Formula: see text], and [Formula: see text] the [Formula: see text]th order statistic in a sample [Formula: see text] and [Formula: see text]. In this note, the limiting distribution and its exact order approximation are obtained for [Formula: see text]. The limiting distribution result we obtain extends the work of several including Wretman[Formula: see text]. The exact order of normal approximation generalizes the fixed sample size results of Reiss[Formula: see text]. AMS 2000 subject classification: 60F12; 60F05; 62G30.

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Cryoscopy of Milk: Effect of Variations in the Method

Journal of AOAC INTERNATIONAL ◽

10.1093/jaoac/49.3.511 ◽

1966 ◽

Vol 49 (3) ◽

pp. 511-515 ◽

Cited By ~ 1

Author(s):

R W Henningson

Keyword(s):

Statistical Analysis ◽

Sample Size ◽

Freezing Point ◽

Collaborative Study ◽

Sample Temperature ◽

Milk Samples ◽

Two Samples ◽

Temperature Rate

Abstract Bath level, sample temperature, rate of stirring, degree of supercooling, sample size, sample isolation, and refreezing of the sample were the variables in the thermistor cryoscopic method for the determination of the freezing point value of milk chosen for study. Freezing point values were determined for two samples of milk and two secondary salt standards utilizing eight combinations of the seven variables in two test patterns. The freezing point value of the salt standards ranged from –0.413 to –0.433°C and from –0.431 to –0.642°C. The freezing point values of the milk samples ranged from –0.502 to –0.544°C and from –0.518 to –0.550°C. Statistical analysis of the data showed that sample isolation was a poor procedure and that other variables produced changes in the freezing point value ranging from 0.001 to 0.011°C. It is recommended that specific directions be instituted for the thermistor cryoscopic method, 15.040–15.041, and that the method be subjected to a collaborative study.

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Determination of the Sensitivity of a RapidEscherichia coli O157:H7 Assay for Testing 375-Gram Composite Samples

Applied and Environmental Microbiology ◽

10.1128/aem.66.9.4149-4151.2000 ◽

2000 ◽

Vol 66 (9) ◽

pp. 4149-4151 ◽

Cited By ~ 16

Author(s):

Wan-Ling Tsai ◽

Cynthia E. Miller ◽

Edward R. Richter

Keyword(s):

Escherichia Coli ◽

Sample Size ◽

Ground Beef ◽

Immunomagnetic Separation ◽

Enzyme Linked Immunosorbent Assay ◽

Elisa System ◽

Composite Ground ◽

Single Size ◽

Composite Samples

ABSTRACT Both 25-g single-size ground beef samples and 375-g composite ground beef samples were tested by a method combining an immunomagnetic separation (IMS) technique with a sandwich enzyme-linked immunosorbent assay (ELISA) system (IMS-ELISA). The results demonstrated that IMS-ELISA could detect the target, Escherichia coliO157:H7, at the level of 10−1 CFU/g of sample in either the 25- or 375-g sample size.

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