math 4th

• the score points which divide a distribution into four equal parts are quartiles
• defined as the nine score points which divide a distribution into ten equal parts are deciles
• it is used to describe the position of data in relation to other data is measure of position
• the following is equal to first quartile is P25
• measure of position is equal to median is 2nd quartile
• in the set of scores: 15, 18, 20, 12, 28,33,28,35,44,42 and 40, the 5th decile score is 28
• which of the following is not true is Q1 < P25
• maine's score in an 80 item test in mathematics was the median score. her percentile rank is 50th
• if you are the fourth tallest in a group of 10 how many students are shorter than you ? it is 6
• this locates the position of P45 is P45 =45/100(n + 1)
• the formula of the upper quartile for grouped data is Q3 = LB + ( 3n/4 -cFb/FDk) i
• what is the lower quartile it is 2
• who got the score that correspond to upper quartile it is ivy
• the set of scores: 15, 14, 12, 10, 9, 11, 17, 15, and 19, the median score is 14
• the 1st quartile of the set of data: 10, 13, 12, 11, 16, 15, 17, 18, 17, 10, 20 is 11
• in the scores 14, 17, 10, 22, 19, 24, 8, 12, and 19 the median is 17
• in a 70 item test, mae got a score of 50 which is the third quartile. it means she surpassed 75% of her classmates
• in a 100 item test, the passing mark is the 3rd quartile. it implies the students should answer at least 75 items correctly
• veron's salary in the coffee shop is in the 80th percentile. it means that 80% of her co-workers has a salary that is less than or equal to hers
• the first quartile of the ages of 250 grade 10 students is 16 years old.so the 75% of the students are 16 years old and above
• in an exam, which is better a high or low percentile? why? it is high percentile, because you want a mark that is better than the others
• mr. vinluan's salary as a teacher is in the 80th percentile so it is 80% of the teacher has a salary that is less than or equal to it
• given the scores of 11 students in mathematics class 3,4,5,6,6,7,8,9,9,10 and 11 the lower quartile is the 3rd data so Q1 = 5what does it means it means? this means 25% of the students got a score of -< 5
• wella got a score of 55 which is equivalent to 70th percentile in a mathematics test. which of the following is not true is if passing mark is the first quartile, she passed the test
• in a group of 55 examinees taking the 50 item test, penny got a score of 38 and 38 scores were above her. this implies that her score is below the 4th decile
• what is the second quartile? 4
• what is the 75th percentile? 5
• if an 8th student, H got 8 what would be the 75th percentile in the new set of score? 6
• grace ranks 10th in a class of 40. her percentile rank is 75
• what is the lower quartile? 1
• determine the upper quartile is 4
• the scores are tabulated in column 1 and the corresponding frequencies in column 2. so what is the second quartile? 34.39
• what is the 7th decile? 39.14
• if the 5th decile of the given distribution is 98, what does this mean? this means that 50% of the learners spend less than or equal to 98 mins playing
• dave's time of playing video games is in the 6th decile, which of the following statements is true? 60% of the learners spend less or equal time playing video games than dave
• how do you get the cumulative frequencies of the tabular data? by adding the frequencies successively from the lowest class interval score to the highest
• the computed value of the first quartile is 2.5 what would be the location of the first quartile? the location of the first quartile is third after rounding up
• it is a systematic investigation and study of materials in order to establish facts and principles it is research
• what part of research presents the data in tabular form, analyzed, and interpreted is results, analysis and discussion
• which of the following is not a part of the methodology? description of participants