1. The correct answer for the question which of these is NOT discrete data is:
- D. The number of people who drive through a red light each hour during rush hour
Explanation: Discrete data refers to distinct and separate values that can be counted and are typically whole numbers. In this case, the number of people driving through a red light is a continuous variable, as it can take on any value within a range, not just whole numbers.
2. The data gathering tool described as a face-to-face conversation between two individuals for research purposes is:
- A. Interview
Explanation: An interview involves direct communication between an interviewer and an interviewee to gather specific information for research purposes.
3. An example of quantitative data is:
- B. gender
Explanation: Gender is a categorical or qualitative data type, not quantitative. Quantitative data consists of numerical measurements or counts.
4. The option that is NOT continuous data is:
- D. relationship status
Explanation: Relationship status is a categorical variable, not continuous data. Continuous data can take any value within a range, while relationship status is a distinct category.
5. The science of collecting, analyzing, and presenting data is:
- B. Statistics
Explanation: Statistics involves the collection, analysis, interpretation, and presentation of data to make informed decisions or draw conclusions.
6. The problem that uses statistics is:
- A. A sari-sari store owner records the frequency of sales of the five leading detergent soaps.
Explanation: This scenario involves collecting data (frequency of sales) to analyze and make decisions, which is a statistical process.
7. An instrument used in gathering data in statistics is:
- C. Questionnaire
Explanation: Questionnaires are tools used to collect data by asking specific questions to respondents, making them essential for gathering information in statistical analysis.
