Statistics Quiz

What is the plural sense definition of statistics?

• A method of analysis

• A statistical software

• A collection of numerical facts

• A type of data visualization

Which of the following is an example of descriptive statistics?

• The average score of the entire population is estimated to be 75%

• The average score of a class is 70%

• The hypothesis is tested using a sample

• The correlation between two variables is significant

What does inferential statistics allow researchers to do?

• Visualize data

• Make predictions about a population

• Summarize data

• Collect data

Which of the following is NOT a characteristic of statistical data?

• Collected for a predetermined purpose

• Expressed in qualitative terms

• Affected by multiple causes

• Aggregates of facts

What is the first step in any statistical investigation?

• Analysis of data

• Collection of data

• Presentation of data

• Interpretation of data

Which type of data is obtained by counting?

• Continuous data

• Qualitative data

• Interval data

• Discrete data

What type of data is represented by categories without a specific order?

• Ratio data

• Ordinal data

• Nominal data

• Interval data

What is a primary source of data?

• Data collected by someone else

• Data from government reports

• Data collected for the first time

• Data published in journals

Which of the following is a method of data presentation?

• Data visualization

• Data analysis

• Data interpretation

• Data collection

What does a histogram represent?

• A pie chart of data

• A series of adjacent rectangles

• A line graph of data

• A table of frequencies