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- 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?