Lesson 23 Vocabulary

What is a box plot?

• A type of graph that shows the frequency of data

• A visual display of a data set on a number line showing the minimum, lower quartile, median, upper quartile, and maximum

• A chart that shows the relationship between two variables

• A diagram that represents data using bars

What does the noun "estimate" mean?

• A precise calculation

• A close guess made using mathematical thinking

• A random number

• A definite answer

What does the verb "estimate" mean?

• To calculate exactly

• To give an approximate number or answer based on mathematical thinking

• To ignore the data

• To guess without any basis

What is the mean of a set of values?

• The highest value in the set

• The sum of a set of values divided by the number of values

• The middle value in the set

• The lowest value in the set

What is the median in a set of values?

• The average of all values

• The middle number or the halfway point between the two middle numbers in an ordered set

• The most frequently occurring number

• The sum of all values

What does "population" refer to in statistics?

• A small group of people

• The entire group of interest

• A random selection of individuals

• A specific subgroup of a larger group

What is a random sample?

• A sample chosen based on convenience

• A sample in which every element in the population has an equal chance of being selected

• A sample that includes only the most common elements

• A sample that excludes outliers

Which of the following is NOT shown in a box plot?

• Minimum

• Mode

• Median

• Maximum

What is another term often used for the mean?

• Mode

• Average

• Median

• Range

In a data set, what does the lower quartile represent?

• The highest 25% of data

• The lowest 25% of data

• The middle 50% of data

• The entire data set