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Math Subject

1. The 3rd quartile is equivalent to?

Test I. Multiple Choice. Directions: Read and analyze each item carefully. Write the letter of the correct answer beside the number. 1. The 3rd quartile is equivalent to A. 3nd decile B. 30th percentile C. median D. 75th percentile 2. If a teacher wants to find out a score that will bound the upper 25% of the distribution, what measure of position will he/she use? A. P25 B. D25 C. P75 D. D75 3. When a set of scores is divided into 10 equal parts, each score points that divides the distribution is called A. decile B. median C. percentile D. quartile 4. These are 3 score points that divides the data into 4 equal parts A. decile B. median C. percentile D. quartile 5. Which of the following is equivalent to the 70th percentile? A. Q2 B. D7 C. Q70 D. D75 6. In solving for the Quartiles for grouped data, which of the following formulas will you use? A. QK = LB + 4)-CFD li B. DK = LB + (10) -cfb fak fake (KN) C. PK = LB + 100 o -cfb C. QK = LB + (10) cfb fake fak 7. In solving for the. P20 of a certain grouped data, which of the following formulas should we use to locate the. Pzo class? A 20N B. 20N C. A. 20N 100 D. . 10 20 8. Albedo is tasked to solve for the Q3 of a grouped given by his teacher, which of the following formulas should he use? ( 3N) A. Q3 = LB + 4) B. Q3 = LB + 3)-CFD] fake C. Q3 = LB + (10) cf b i D. Q3 = LB + 100)-cf b fak (KN 9. In the formula Qk = LB + (4) i, LB stands for A. Last Boundary B. Lost Boundary B. Little Boundary C. Lower Boundary10. Which of the following is used to solve for the percentile of grouped data . A. QK = LB + B. DK = LB + 10)-cfb (KN) C. PK = LB + 00)-cfb C. QK = LB + 10) -cf b] For items 11-20, refer to the following table Class Interval of Scores Frequency (1) Lower Boundaries (LB) Cumulative Frequency (cf) 36-40 35.5 31-35 30.5 26-30 25.5 21-25 20.5 16-20 15.5 11-15 10.5 6-10 5.5 11. What is the class interval of the data shown in the table? A. 2 B.3 C. 5 12. How many students got a score of 20 and below? A. 6 B. 11 C. 13 D. 15 13. What is the cumulative frequency of the class 26 - 30? A. 11 B. 18 C. 28 D. 36 14. How many students took the test? A. 40 B. 36 C. 35 D. 31 15. What is the cumulative frequency before the 31-35 class? A . 8 B. 10 C. 28 D. 36 16. What lower boundary is considered in solving for the 40th percentile? A. 20.5 B. 25.5 C. 30.5 D. 35.5 17. What is the second quartile of the given data set? A. 26 B. 26.5 C. 30 D. 30.5 18. What cumulative frequency should be used to solve for the 5th decile? A. 5 B. 11 C. 18 D. 28 19. What is the measure of the 60th percentile? A. 27.05 B. 27.5 C. 28.05 D. 28.5 20. Which of the following is the value of the fourth decile? A. 24.07 B. 25.87 C. 26.07 D. 26.87 21-25. Refer to the data presented in the table below. Class Frequency (F) Lower Boundary (LB) Cumulative Frequency (cf) 68- 71 67.5 64 - 67 63.5 60 - 63 59.5 56 -59 55.5 52-55 51.5 21. What lower boundary is considered in solving for the 30th percentile? A. 51.5 B. 55.5 C. 59.5 D. 63.5 22. At what class is the 3d quartile located? A. 68-71 B. 64-67 C. 60-63 D. 56-59 23. What is the class interval of the data presented on the table? " A . 7 B. 6 C. 5 D. 4 24. What cumulative frequency should be used in solving for the 7th decile A. 68-71 B. 64-67 C. 60-63 D. 56-59 25. What is the value of the 4th decile? A. 55. 17 B. 56.17 C. 58.17 D. 59.1726. If we have to solve for the 50th percentile, what is its class frequency? A. 3 B. 4 C. 5 D. 6 For items 27 - 30, refer to the table below that shows the number of hours worked by 80 health workers In a week. 27. What is the class interval of the data shown in the table? A. 4 B. 5 C. 8 D. varies from class to class Number of Frequency 28. How many of them worked 37 hours or less? Hours A. 12 B. 18 C. 30 D. cannot be determined 45-48 29. What is the cumulative frequency for the class 41 - 44? 41-44 A. 56 B. 45 C. 48. D. 72 37-40 30. What is the lower boundary of the class 45-48? 33-36 A. 40.5 B. 45.5 C. 50.5 D. 55.5 For items 31 - 39, refer to the data below. Alice made a survey on the number of active Android applications her classmates have. The table summarizes the results. The Class Intervals contain the numbers of active Android Applications. The frequency is the number of students Class Interval Frequency Lower Boundary 26 - 30 25.5 21 - 35 20.5 16 - 20 15.5 11 - 15 6- 10 1 - 5 31. How many students were all involved in the survey? A. 30 B. 40 C. 50 D. 60 32. What is the size of the class interval? A. 3 B.4 C. 5 D. 6 33. What is the Lower Boundary of the class interval where Q3 is included? A. 10.5 B. 15.5 C. 20.5 D. 25.5 34. Which of the following is the D4 class? A. 1-5 B. 6-10 C. 11-15 D. 15-20 35. What is the