Derick and Ellyn's math teacher, Miss Satorres summarized the Unified District Summative Test results of her Mathematics class in the table below.
1. Complete the table by filling in the values of power boundaries (LB) and cumulative frequency (cf).
2. How many students are there in Miss Satorres class?
3. Find the median, 75th percentile, and 3rd decile of the set of data.
4. Does Derick and Ellyn belong to the upper 25% of their class if their scores are 73 and 86 respectively?
ps: 'wag na sana magcomment kung walang sagot.
1. Complete the table by filling in the values of power boundaries (LB) and cumulative frequency (cf).
2. How many students are there in Miss Satorres class?
3. Find the median, 75th percentile, and 3rd decile of the set of data.
4. Does Derick and Ellyn belong to the upper 25% of their class if their scores are 73 and 86 respectively?
ps: 'wag na sana magcomment kung walang sagot.
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Answer:
1.
Scores. frequently LB. <cf. adding ifo
90-99. 3 90.5 45 =n
80-89. 5 80.5 42 45-3= 42
70-79. 8 70.5 37 42-5= 37
60-69. 16 60.5 29 37-8= 29
50-59. 6 50.5 13 29-16= 13
40-49. 5 40.5 7 13-6= 7
30-39. 2 30.5 2 7-5= 2
n=45
2. 45
3?
4?
nakakatamad mag solve sinsya na