1. MATHEMATICS 7

2. LEARNING OBJECTIVES
1.Define Statistics
2.Identify Statistical Questions and Non-
Statistical Questions
3.Pose real-life problem that can be solved by
statistics

3. Activity # 1
Directions: Write the word YES if the questions given below
require one answer only, and write NO if it requires many answers
1. How old are you?
2. How old are the students in Grade 7 at Bato Rural
Development High School?
3. How many brothers does Dr. Jose Rizal have?
4. How tall are the students in Grade 7 at Bato Rural
Development High School?
5. What do Grade 7 Students prefer to eat for snacks?

4. STATISTICS

5. STATISTICS
»» Is a branch of Applied Mathematics specializing
in procedures for
Collecting
Organizing/Presenting
Analyzing
Interpreting Data

6. The Role of Statistics in Real Life
» In education, it is frequently used to describe test
results
» Manufacturers can provide better products at
reasonable costs through the used of statistical
quality control techniques
» In science, the data resulting from experiments
must be collected and analyzed.

7. » In government, many kinds of statistical data are
collected all the time.
A knowledge of Statistics can help you become more
critical in your analysis of information; hence, you
will not be misled by manufactured polls, graphs, and
averages.

8. STATISTICAL
QUESTION

9. »» One that can be answered by collecting
data that varies from each others, not all data
are the same
STATISTICAL QUESTION

10. Activity # 1
Directions: Write the word YES if the questions given below
require one answer only, and write NO if it requires many answers
1. How old are you?
2. How old are the students in Grade 7 at Bato Rural
Development High School?
3. How many brothers does Dr. Jose Rizal have?
4. How tall are the students in Grade 7 at Bato Rural
Development High School?
5. What do Grade 7 Students prefer to eat for snacks?
YES
YES
NO
NO
NO

11. Activity # 2
Directions: Identify whether the following questions are
Statistical Or Not Statistical
1. How many days are there in the month of March?
2. How old is your dog?
3. On Average, How old are the dogs that live at
Banawang, Bato Catanduanes?
4. How many minutes do grade 7 students typically
spend watching TV each week?
5. How tall are you?
NS
NS
NS
S
S

12. TWO TYPES OF
DATA
* Quantitative/ Numerical
* Qualitative/ Categorical

13. Quantitative/ Numerical Data Set
»» Every Value in the set is a number
1. The number of Male and Female students in a class.
2. The monthly income in each household
3. The daily temperature of the respondent

14. Types of Numerical Data
Discrete Data
Are those can be counted, whole numbers, concrete numbers
with specific and fixed data
1. The number of boys and girls in Grade 7 at Bato Rural Development
High School.
2. The number of student who bought snacks at the canteen.
3. The number of Presidentiable President in Philippines for 2022
Election.

15. Types of Numerical Data
Continuous Data
»» Are varying data values that are measured over a specific
time interval
1. Height and Weight of Grade 7 students at Bato Rural
Development High School.
2. Temperature of Grade 7 Students who entered in Bato
Rural Development High School.

16. Qualitative/ Categorical Data Set
»» Non-Numerical Values such as color, name, labels,
questions that are answerable YES or NO, or
according to some characteristics
1. Satisfaction with the implementation of Limited Face
to Face ( Very Satisfied, Satisfied, dissatisfied, very
dissatisfied .
2. Marital Status of Employee at Bato Rural
Development High School

17. ACTIVITY # 3
Directions: Identify each of the following data sets as
Categorical or Numerical
1. What is your hair color?
2. Educational attainment of all the parents/guardian
of Grade 7 students at Bato Rural Development
High School.
3. Occupation of all the employee at Bato
4. Number of Siblings in each household at Bato
5. Number of teacher at Bato RDHS by Department

18. Types of Statistical Questions
SUMMARIZING
COMPARING
RELATIONSHIP
How many hours per month do students in Special Science Class
spend studying?
Do the students in Special Science Class spend more time at sports
than they do studying?
Do students who spend more time playing sports do better in exam?

19. GENERALIZATION
1.What is Statistics?
2.What are the two types of Data
3.What does Statistical Questions Mean?
4.What are the types of Statistical
Questions?