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ON PAPER PLEASE ! ON PAPER !

1. Forty students were asked for their favorite subject in Grade 10. Below are their responses. Math Science Economics English P.E. Science Math Science Economic Math English Filipino Science Filipino Filipino Math English Economics Math English Math Science P.E. English P.E. Science Filipino Economics Math English Science Science Filipino Math Science Science Economics English Filipino P.E. a) What is the most appropriate measure of central tendency to use for these data? Why? b) What is the modal choice of the 40 students? 2. A researcher obtains these data on the age in years of people at the time for having his first girlfriend /boyfriend. Urban Group Rural Group 13 14 12 14 15 13 14 15 16 19 18 17 15 16 16 15 14 16 16 17 13 12 16 15 14 16 18 19 18 19 17 18 a) On the average, which group of people get his/her girlfriend or boyfriend at an earlier age? b) Find the third quartile of the two groups.3. An onthespot test in Physics It) was administered from a group of 1111] students, and the test was scored using a SCIpoint scale. The scores of the students are shown helow.[Note: Use the 3 interval] 23 15 9 12 29 21 23 13 13 ll 3 T 5 3 14 19 2D 15 19 21 23 2T 2U 3U 29 29 T 11} 11 1T 23 29 13 ID 23 23 25 23 IT 15 1T 15 19 9 19 T 13 15 13 2D 21 25 29 22 13 19 15 13 9 15 19 2D 21 22 25 10 21 23 2T 23 3D 29 25 T 10 11 IT 23 23 29 13 1'3 23 23 25 23 IT 29 22 2D 23 15 1 T 1 5 19 9 1'3 T 13 15 a] Construct a frequencyr distribution. h} TWhat is the mean score of the test?I e] If the student got a score of 25. what percentile rank did he ,1' she belong? d] If the passing score is 13. how many percent of students failed? a] If a student who falls under the 331'\" percentile will be made to attend the remedial class, then what score should the student get so that he;r she will not be required to attend the remedial class? 4. A group of researchers gives the frequency distribuiion of the amount of the electricity bills for the month of January 2D2D from a sample of 6D families. Amount of Electricity Number of families Bill a. What is the monthly average consumption of electricity bills of the 60 families? h. Compute for the 5'\":L Decile. c. Calculate the 75m percentile. 5. The table shows the weights in kilogram of 150 High school students. Weights in Number of Kilograms Students 70 - 72 5 67 - 69 12 64 -66 19 61 - 63 23 58 - 60 28 55 - 57 21 52 - 54 49 - 51 46 - 48 43 - 45 40 - 42 a. What is the average weight of the students? b. Calculate the 2nd quartile. c. Calculate the 80th percentile. d. What is the percentage of students who has weight of 65kgs or more