PROBABILITY AND STATISTICS SUBJECT

Direction: Select the letter of the correct answer and write legibly to the provided space in each item. 1. What measures of position divides the distribution into 10 equal parts? A. Percentiles B. Quartiles C. Deciles D. Range 2. What is the equivalent of upper quartile in terms of percentile? A. 25th Percentile B. 50th Percentile C. 75th Percentile D. 99th Percentile 3. The second quartile is also the A. 25th Percentile B. 50th Percentile C. 75th Percentile D. 99th Percentile 4. In a 50-item test, Covida got a score of 40 which is the 80th percentile. This means that: A. She got the highest score. C. 80% of the class did not pass the test. B. She surpassed 80% of her classmates. D. Her score is higher than 20% of her classmates. 5. In the set of scores 14, 17, 10, 22, 19, 24, 11, 13, 15, 8, 12, 25 and 19, the median score is _ A. 17 B. 16 C. 15 D. 13 Direction: Select the letter of the correct answer and write legibly to the provided space in each item. For Item 1-3, refer to the following data: Recorded scores of Grade 10 Learners in a 20-item Mathematics Quiz 9, 8, 10, 12, 17, 19, 20, 15, 14, 12, 11, 15, 16, 18, 11, 13, 5, 6, 7 1. Find the third quartile of the learners' score. A. 15 B. 16 C. 17 D. 18 2. Find the fifth decile of the learners' score. A. 11 B. 12 C. 13 D. 14 3. Find the twenty fifth percentile of the learners' score. A. 7 B. 8 C. 9 D. 10 For item 4-5, refer to the frequency distribution table of the scores of Grade 10 learners in their Mathematics Quiz. Scores in a Math Quiz Frequency Lower Boundaries Less than Cumulative (f ) (LB ) Frequency (