PRC-2 · Chapter 12 · Question 14 of 55
Historical data indicates students score A, B, and C grades at 10%, 15%, and 75% respectively. In a new sample of 500 students, the grades are 64, 88, and 348. To test if the current pattern matches historical data, what is the resulting calculated test value called?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) Chi-square value
Explanation
This specific scenario involves testing observed frequencies against expected historical categorical frequencies, which is perfectly executed using the Chi-square goodness of fit calculation.
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