Fourth Periodic Test in Mathematics 7
Name:______________________________________________________Score:_____________
Grade&Section:______________________________________________Date:______________
Test I. Read and analyze each of the following items carefully and encircle the letter that
corresponds to your answer.
1. Which among the following made statistics important?
a. Estimation of value
c. Production planning
b. Assessments on student’s performance
d. All that have been mentioned
2. The following are the procedures in statistics EXCEPT?
a. Collecting
c. Presenting
b. Organizing
d. Producing
3. What is a branch of Mathematics that deals with the collection, organization,
presentation, analysis, and interpretation of data?
a. Statistics
c. Geometry
b. Algebra
d. Measurement
4. Teacher Mani wants to know the common height of the grade 7 students in the school. He
interviews only100 grade 7 students? Which is the sample in the given situation?
a. all grade 7 students
c. 100 grade 7 students
b. the common height
d. in the school
5. What is a sub-collection of elements drawn from a population?
a. census
c. population
b. sample
d. statistics
6. The following are example of categorical data EXCEPT?
a. Since our country is infected with Corona Virus, do you follow the health protocols
given by the Department of Health?
b. Wintermelon is my favorite milktea flavor.
c. Number of boys and girls in grade 7 per section
d. Color blue signifies calmness, tranquility, relaxation and peace.
7. The most useful statistical instrument to be used with big number of respondents is
_______?
a. Survey
c. Attitude
b. Questionnaire
d. Interview
8. Which of the following is NOT a method of collecting data?
a. Roy collecting garbage in the ground.
b. A doctor examines a patient’s blood.
c. Ted Failon interviews General Bato on drug-related cases.
d. A cook wants to know the taste of the food he prepares.
9. Pia ask Annie several questions for her research. What statistical instrument is used in the
situation?
a. Observation
c. Questionnaire
b. Interview
d. Focus Group Discussion (FGD)
10. These are questions which can be answered with “Yes” or “No,” or they have a limited
set of possible answers?
a. Open-ended questions
c. Multiple-choice questions
b. Survey
d. Closed questions
11. It is an oral or verbal communication method of collecting data where the interviewer
asks questions generally in a face-to-face contact to the other person or persons.
a. experiment method
c. observation method
b. interview method
d. questionnaire method
12. It is a method used when the objective is to determine the cause and effect relationship of
a certain phenomenon under controlled condition.
a. experiment method
c. observation method
b. interview method
d. questionnaire method
13-14 The data below shows the mass of 40 students in a class. The measurement is to the
nearest kg.
Mass (kg)
45-49
50-54
55-59
60-64
65-69
70-74
75-79
Frequency
2
4
7
10
4
6
7
13. What is the range of the given data above?
a. 26
c. 30
b. 28
d. 34
14. What is the width of the class interval of the given data above?
a. 4
c. 6
b. 5
d. 7
15. It is used to show how all the parts of something are related to the whole. It is represented
by a circle divided into slices or sectors of various sizes
a. pie chart
c. ogive
b. line graph
d. histogram
16. A bar graph that shows the frequency data occur within a certain interval and there are no
gaps between adjacent bars.
a. pie chart
c. line graph
b. histogram
d. Ogive
17. Last month, the amount of electricity used in Mrs. Cruz Restaurant was 2,700 kwh
(kilowatt-hours). What appropriate graph must be used to show the percentage of the
amount used by different appliances in her restaurant.
a. bar Graph
c. pie Chart
b. line Graph
d. histogram
18. The data is all about the sales of MHK Company from 2010 – 2020. What appropriate
graph must be used to show the trend of the company over the years?
a. bar Graph
c. pie Chart
b. line Graph
d. histogram
19. A type of graph which uses rectangles or bars of uniform width to represent data
particularly nominal or categorical type of data.
a. line Graph
b. pie Chart
c. bar Graph
d. histogram
20. What is the median of the sample 5, 5, 11, 9, 8, 5, 8?
a. 5
b. 6
c. 8
d. 9
21. Raymund is hosting a kiddie party in his house. Seven kids aged 11 and 8 babies aged 1 –
3 attended the party. Which measure of central tendency is appropriate to use to find the
average age?
a. Mean
b. Mode
c. Median
d. Range
22. It is the measure or value which occurs most frequently in a set of data. It is the value
with the greatest frequency.
a. Mean
b. Mode
c. Median
d. Range
For numbers 23-25, refer to the following data set.
A = {43, 11, 94, 46, 43, 74}
B = {4, 2, 9, 7, 5, 9, 3}
23. Find the mean value of set A.
a. 44.50
b. 46
24. What is the median of the values in set A?
a. 43
b. 44.50
25. What is the median of the values in set B?
a. 4
b. 5
c. 51.83
d. 74
c. 46.50
d. 60 .
c. 6
d. 7
For numbers 26 – 29, refer to the following frequency distribution table.
The ages of 112 people in an island are grouped as follows:
X
f
0-9
20
10-19
21
20-29
23
30-39
16
40-49
11
50-59
10
60-69
7
70-79
3
80-89
1
26. What is the class size of the given data?
a. 7
b. 8
c. 9
d. 10
27. What is the modal class?
a. 0 - 9
b. 10 – 19
c. 20 – 29
d. 40 - 49
28. What is the value of the median class?
a. 10 - 19
b. 20 - 29
c. 30 – 39
d. 46.5
29. What is the ΣfX?
a. 85
b. 112
c. 3304
d. 9520
30. The process of finding the range of a given data set is?
a. maximum ÷ minimum
c. minimum × maximum
b. maximum + minimum
d. maximum – minimum
31. Standard deviation is the square root of?
a. range
c. average deviation
b. variance
d. total frequency
For numbers 7-12, Mike did a survey about the variety of plants owned by his neighbors,
with the following results: {4, 2, 7, 1, 6}
32. What is the range of the given data set?
a. 5
c. 6
b. 7
d. 4
33. What is the sample variance of the given data set?
a. 6.4
c. 6.6
b. 6.5
d. 6.7
34. What is the sample standard deviation of the given data set?
a. 2.55
c. 2.45
b. 2.50
d. 2.40
35. What is the average deviation of the given data set?
a. 8
c. 4
b. 6
d. 2
36. What measure is equal to 5 in the data set: 5, 15, 5, 20, 30, 25, 5, 10, 5, 15?
a. mean
b. median
c. mode
d. range
37. What measure is equal to 2 in the following scores: 0, 1, 2, 2, 3, 4, 5?
a. mean
c. median and mode
b. median
d. mean and median
38. The temperatures of some areas were as follows: 29°C, 32°C, 29°C, 30°C, What measure
is equal to 30°C?
a. mean
c. median and mode
b. median
d. mean and median
39. The scores of the contestants were arranged from lowest to highest and it was found out
that the middle score is 35. What measure of central tendency is 35?
a. mean
c. mode
b. median
d. range
40. The frontliners’ heart rate was monitored. The result shows that average heart rate is
75bpm and the standard deviation is 0.5. Which statement is TRUE?
a. The mean heart rate is 7.5bpm
b. The heart rate of front liners are too different from each other.
c. The standard deviation shows that the heart rates are too close to each other.
d. All heart rates are equal
Test II.
A. Construct a frequency table. (6 pts)
The following are the test scores of students. Construct a suitable frequency table. Use 6
as the desired number of class interval.
14
26
10
20
22
21
15
30
30
30
18
19
30
10
34
10
14
11
19
15
40
22
26
16
10
15
20
36
17
29
18
28
40
36
37
B. Create a line graph on the given data below. (5 pts)
Ice Cream Sales
DAYS OF THE WEEK
MONDAY
TUESDAY
WEDNESDAY
THURSDAY
FRIDAY
SATURDAY
SUNDAY
SALES
10
40
60
30
50
70
90
Test III. Determine the appropriate statistical measure to be used and analyze the
statistical data. Write your answer on a separate answer sheet. For numbers 1 to 5, refer
to the table below. The table shows the grades of the students in 5 subject areas.( 5pts)
Student’s
name
Ann
Benj
Cris
Math
English
Science
95
96
81
90
86
90
93
80
85
Question
1. What is the average grade of each student?
2. What is the grade did most of the students have?
3. Are the grades of Benj close or spread out?
4. If the students will be ranked according to
their average grade, who will be in the middle ?
5. What is the difference between Cris' highest
grade and lowest grade?
Social
Studies
90
81
78
Filipino
92
82
80
Statistical Measure
___________________
___________________
___________________
___________________
___________________
TEST IV. Solving (4pts)
Use the appropriate formula to find the average deviation and standard deviation of
the grouped data set below.
Scores of contestants during MMC (Metrobank-MTAP-DepEd Math Challenge)
SCORES
FREQUENCY
16-20
5
21-25
1
26-30
17
31-35
10
36-40
15
41-45
21
46-50
16
N = 85
Prepared by:
Leah Lee Tamayo
G.A. Relano
Aceber Bagonza
Stanley Cabaloza
Mark Jerico Abucay