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Berkeley Electronic Press Selected WorksSusie M. LanierSharon Taylor
When prices change, commercial-grade gems usually experience the greatest price instability. These are the most abundant grades of tanzanite where price competition is highest. Top-quality stones, especially those in larger sizes, are very rare. As a general rule, they tend to retain their value...
Fig. 4 shows item characteristic curves (ICCs), i.e., the probability of solving an item as a function of ability. Fig. 5 shows a Wright-Map displaying both item difficulties and the distribution of person abilities. Both figures show that the item difficulties are quite evenly distributed ...
A teacher calculates the average grade on an exam. The average mark was 76% with a standard deviation of 14%. a. What is the z-score of a student who scores 50% on the test? b. What is the percentage of students who scored below 50% on the exam? How do you find the standard ...
Once you’ve identified the risk, it’s time to evaluate potential consequences. One approach is risk quantification, where you assign a numerical value to the risk based on probability, severity, or financial impact. Why is risk analysis important? By having a number at hand, you can priorit...
The probability that a randomly selected 4th grade student is proficient in math is 0.85. The probability that such a student is proficient in reading is 0.78. The probability that such a student is p x and y are chosen randomly between 0 and 3. What is the probability tha...
Exam performance is coded according to the German grade scale from 1.0 (best) through 5.0 (fail). In order to ensure the representativeness of our drawn sample, we conducted two-tailed t-tests for differences in means between the group of students included in the sample and the underlying pop...
Do you mean that you prefer to derive this formula as a result, that you prefer a different definition, or that you accept this definition but you dislike it for some reason? onDecember 31, 2018 4:25 PM at 4:25 pmsaid: I prefer the definition “The probability of A conditional on B...