Data & Statistics

The value appearing at the center of a sorted version of a list, or the mean of the two central values.

• Median 
• Range
• Mean
• Mode

The distance between the greatest number and the least number in a set of data.

• Mean 
• Median
• Range
• Mode

Summarizes data using a single number.  The single number is found by finding the sum of the data divided by the number of pieces of data.

• Median 
• Range
• Mean
• Mode

A question that anticipates and accounts for a variety of answers.

• Statistical Question
• Range
• Mean
• Box Plot

A value that is much higher or much lower than the other values in a set of data.

• Outlier
• Box Plot
• Range
• Histogram

The entire group of objects or individuals considered for a survey.

• biased sample
• population
• random sample
• sample

A sample in which each individual or object in the entire population has an equal chance of being selected.

• biased sample
• population
• random sample
• sample

What is the standard deviation for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 6.89

• 10.1

• 7.26

• 9

What does this symbol represent?

• Standard Deviation
• Variance
• Mean Absolute Deviation
• Sigma

The sample size of poll is 107 people. What is the approximate margin of error.

• 10%

• 3.1%

• 2.38%

• 1%