4. DRILL & REVIEW
1.The fifth decile is equal is
equal to ______.
a. The first quartile
b. The second quartile
c. the third quartile
d. fifth percentile
5. DRILL & REVIEW
2. The median score is
also the _______
a. 75th percentile
b. 5th decile
c. 3rd quartile
d. 1st quartile
6. DRILL & REVIEW
Mathematics Test Scores of 50 students
Scores f Lb Less than cf
46 – 50 4 45.5 50
41 – 45 8 40.5 46
36 – 40 11 35.5 38
31 – 35 9 30.5 27
26 – 30 12 25.5 18
21 - 25 6 20.5 6
3.What is the lower boundary for D7?
a.30.5
b. 35. 5
c. 31
d. 36
7. DRILL & REVIEW
Mathematics Test Scores of 50 students
Scores f Lb Less than cf
46 – 50 4 45.5 50
41 – 45 8 40.5 46
36 – 40 11 35.5 38
31 – 35 9 30.5 27
26 – 30 12 25.5 18
21 - 25 6 20.5 6
4.What is the 7th decile?
a. 40
b. 50.14
c. 39.14
d. 35.25
8. DRILL & REVIEW
Mathematics Test Scores of 50 students
Scores f Lb Less than cf
46 – 50 4 45.5 50
41 – 45 8 40.5 46
36 – 40 11 35.5 38
31 – 35 9 30.5 27
26 – 30 12 25.5 18
21 - 25 6 20.5 6
5.What cumulative frequency should be used in
solving the 5th decile?
a. 18
b. b. 6
c. c. 27 d. 38
9. At the end of the lesson, you should be able to:
a) Determine the missing data in the
frequency distribution table;
b) Calculate and interpret the percentiles of a
set of data;
c) Show patience in illustrating the percentiles
of the grouped data;
d) To be responsible in everything we do.
12. BRAIN AWAKENER
Compare your answer with the other
pair.
What can you say about your
corresponding answers?
Do you have the same answer?
The first to complete task will be
given 10 points as the winner.
13. BRAIN AWAKENER
1.What is the first thing you do in order
to calculate the desired percentiles of
the given set of data?
2.How did you arrive at an answer?
How to calculate percentiles of the given
set of data?
3.What is percentile?
15. WORK BY GROUP
Calculate the 25th percentile, 55th percentile,
30th percentile and 75th percentile using the
given table.
Score f lb <cf
40 – 45 6
35 – 39 5
30 – 34 3
25 - 29 4
16. FORMATIVE ASSESSMENT
Directions: Write the correct answer on your activity notebook.
Refer to the given table;
Score f LB <cf
40 – 45 6 39.5 18
35 – 39 5 34.5 12
30 – 34 3 29.5 7
25 - 29 4 24.5 4
1.In solving for the 60th percentile, the lower
boundary to use is ____
a.34 c. 39
b. 34. 5 d. 39.5
17. FORMATIVE ASSESSMENT
Directions: Write the correct answer on your activity notebook.
Refer to the given table;
Score f LB <cf
40 – 45 6 39.5 18
35 – 39 5 34.5 12
30 – 34 3 29.5 7
25 - 29 4 24.5 4
2. What cumulative frequency should be used
in solving for the 35th percentile?
a. 4 c. 12
b. 7 d. 18
18. FORMATIVE ASSESSMENT
Directions: Write the correct answer on your activity notebook.
Refer to the given table;
Score f LB <cf
40 – 45 6 39.5 18
35 – 39 5 34.5 12
30 – 34 3 29.5 7
25 - 29 4 24.5 4
3.The 45th percentile is __________.
a. 33.4 c. 30.8
b. b. 32.7 d. 35.6
19. FORMATIVE ASSESSMENT
Directions: Write the correct answer on your activity notebook.
Refer to the given table;
Score f LB <cf
40 – 45 6 39.5 18
35 – 39 5 34.5 12
30 – 34 3 29.5 7
25 - 29 4 24.5 4
4. The 50th percentile is _______
a. 36.0 c. 36.5
b. b. 37.0 d. 37.5
20. FORMATIVE ASSESSMENT
Directions: Write the correct answer on your activity notebook.
Refer to the given table;
Score f LB <cf
40 – 45 6 39.5 18
35 – 39 5 34.5 12
30 – 34 3 29.5 7
25 - 29 4 24.5 4
5.The 50th percentile is equivalent to _____.
a. 5th decile c. 2nd decile
b. mean score d. all of the above
21. ASSIGNMENT
A. Reinforcement
Calculate for P20, P50, P75
The heights of Teachers in Manuel A. Roxas High
School
Heights in cm Frequency
145 – 149 3
150 – 154 8
155 – 159 10
160 – 164 15
165 – 169 14
170 – 174 6
175 - 179 4
22. CONCLUDING ACTIVITY
“To understand God’s thoughts
one must study statistics… the
measure of his purpose”
by: Florence Nightingale
To God be the glory!
