Statistics in Research Quiz

What is the main purpose of statistics in research?

• To provide opinions about data

• To guess outcomes randomly

• To collect, analyze, and interpret data for decision-making

• To ensure all research uses numbers only

Which of the following best describes inferential statistics?

• Summarizing raw data using averages and graphs

• Making generalizations about a population based on sample data

• Listing out all data collected

• Sorting qualitative data into categories

A university is conducting a survey on student satisfaction. What are the "individuals" in this study?

• The questions used

• The responses

• The students being surveyed

• The faculty

A researcher records students' test scores and their preferred learning style. Which is a quantitative variable?

• Preferred learning style (visual, auditory, kinesthetic)

• Test scores out of 100

• Gender of students

• Student ID

Which of the following is an example of ordinal data?

• Temperature in Celsius

• Satisfaction level: Very Satisfied, Satisfied, Unsatisfied

• Student ID number

• Phone number

What distinguishes a discrete variable from a continuous one?

• Discrete variables can only take specific values; continuous can take any value within a range

• Discrete variables are always qualitative

• Continuous variables are uncountable

• Continuous variables are more reliable

Which of the following is a good example of a nominal variable?

• Age in years

• Test scores

• Marital status (Single, Married, Divorced)

• Rank in class

In research, which of the following best describes the independent variable?

• The outcome that changes

• The variable that the researcher controls or manipulates

• The result of an experiment

• The measurement tool

If the research topic is "Impact of physical exercise on employee productivity," which is the dependent variable?

• Number of employees

• Employee productivity

• Type of physical exercise

• Location of company

Which of the following correctly defines a sample space in probability?

• The number of times an event happens

• All possible outcomes of an experiment

• The event you are most interested in

• The average of outcomes