Sample Math Quiz

Which of the following is TRUE about Statistics?

• It is the study and practice of collecting and remembering data.
• It allows us to make sense of the data and helps us make decisions in uncertain situations
• It provides an subjective approach to understanding and interpreting the behaviors that we observe and measure.
• None of these

It represents the average of the data set

• Mean
• Quartile
• Median
• Mode

Which is incorrect about descriptive statistics?

• It focuses on collecting, organizing, summarizing and presenting the data.
• Helps us compress data and summarize them to give us more useful information.
• A statistical technique that summarizes and describes important characteristics of tabular data
• Organized data can be presented through bar graphs, pie charts, time series graphs, etc.

It represents the midpoint of the distribution/data set

• Mean
• Quartile
• Median
• Mode

It is the number that occurs most frequently in a data set.

• Mean
• Quartile
• Median
• Mode

It refers to the spread or variability of data.

• Dispersion
• Range
• Interquartile Range
• Quartile

It is the difference between the greatest data point and least data point.

• Dispersion
• Range
• Interquartile Range
• Quartile

It is the difference between 3rd quartile and 1st quartile.

• Dispersion
• Range
• Interquartile Range
• Quartile

It represents the spread of the middle 50% of the data set.

• Dispersion
• Range
• Interquartile Range
• Quartile

It has the same unit of measurement as the data set.

• Range
• Standard Deviation
• Variance
• Coefficient of Variance