FINAL EXAM - BSRT AY2024-25

Aiden is conducting a study on the eating habits of high school students in his town. What is the term for the entire group that Aiden wants to study?

• Statistic

• Variable

• Sample

• Population

Mason is studying the characteristics of different plants in his garden. He learns that a statistic is:

• C. A characteristic of a sample

• A. A characteristic of a population

• B. A type of graph

• D. The process of data collection

In a recent survey conducted by Mason's class, they asked participants about their political views. Which of the following is an example of a categorical variable from the survey results?

• Political affiliation

• Height in centimeters

• Time in minutes

• Age in years

In a recent science project, Daniel collected data from a sample of plants to determine their average height. A number that represents a property of this sample is called:

• Data

• Statistic

• Variable

• Parameter

During a science project, Aiden collected various measurements from his experiments. The term "data" refers to:

• A. A variable

• B. The result of sampling

In a classroom, Maya collected the scores of her classmates on a math test. A single score from this collection is known as:

• Datum

• Data

• Variable

• Statistic

During a science experiment, Evelyn measured the weight of different objects and the time it took for them to fall. Which variable type takes values such as weight or time?

• Ordinal

• Nominal

• Categorical

• Numerical

Zoe is conducting a research project on the eating habits of high school students in her city. She decides to survey a group of students instead of the entire population. What is the primary purpose of her sampling?

• To avoid any statistical work

• To summarize the entire population

• To make data analysis difficult

• To study a part of the population to infer about the whole

A researcher randomly selects 50 students, including Evelyn, Grace, and Nora, from a school of 2000 to estimate average GPA. This is an example of:

• Census

• Sampling

• Simulation

• Experiment

Emma conducted a survey to understand the preferences of students in her school. However, if her sample does not reflect the entire student population well, then:

• Population size should be increased

• It must be a good representation

• The sample statistic will be inaccurate

• The sample size should be reduced