Statistics and Data Analysis Quiz

What do you call a set of all possible cases from which data are collected.

It is a type of data collection where researchers directly observe and record behavior, events, or phenomena without direct interaction with the participants.

It is a type of variable that focuses on the quality or characteristics of each experimental unit.

• qualitative variable
• quantitative variable

Which of the following scenario shows qualitative data?

• GIVING THE AGES OF FAMILY MEMBERS IN A HOUSEHOLD.

• IDENTIFYING THE TYPES OF ANIMALS IN A ZOO.

It is where every individual in the population has an equal chance of being selected.

• SIMPLE RANDOM SAMPLING 

• STRATIFIED RANDOM SAMPLING

• Systematic Sampling

What scenario demonstrates quantitative data?

• GIVING THE AGES OF FAMILY MEMBERS IN A HOUSEHOLD.

• IDENTIFYING THE TYPES OF ANIMALS IN A ZOO.

Identify the best sampling technique given the scenario. Suppose you are a researcher interested in understanding students' academic performance in a junior high school. The school has a total population of 800 students, and you want to ensure that your sample is representative across different grade levels (Grade 7, Grade 8, Grade 9, and Grade 10).

• SIMPLE RANDOM SAMPLING 

• STRATIFIED RANDOM SAMPLING

• Systematic Sampling

It is used to organize the data and can also help us display the data graphically.

• line graph

• bar graph

• frequency distribution table

It refers to the entire group of individuals being studied?

An organization is conducting a market research study to understand consumer preferences for a new product. They distribute a set of standardized questions to a large sample of potential customers. What type of data collection shall the organization use?

• case study

• interview

• experiment

• survey and questionnaire