Ch9 Maths Vocab

What is a box-and-whisker plot?

• A graph that summarizes data along a number line

• A graph that uses a circle to represent data

• A graph that shows data frequency with x marks

• A graph that displays two sets of data as ordered pairs.

A circle graph is a graph of data in which: A) An entire circle represents the whole B) Data is displayed as ordered pairs C) Data is summarized along a number line D) Data frequency is shown with x marks.

• An entire circle represents the whole

• Data is displayed as ordered pairs

• Data is summarized along a number line

• Data frequency is shown with x marks.

Fill in the blank: Frequency is the number of times a data item ____.

• is divided

• appears

• is ordered

• is summarized

What type of graph is a histogram?

• A) A graph with spaces between bars

• B) A bar graph with no spaces between the bars

• C) A graph that uses a circle to represent data

• D) A graph that shows data frequency with x marks.

A line plot displays data frequency with: A) Bars B) Circles C) X marks above each data point D) Ordered pairs.

• A) Bars

• B) Circles

• C) X marks above each data point

• D) Ordered pairs

The mean is: A) The middle value in a data set B) The sum of the data values divided by the number of data items C) The item that occurs with the greatest frequency D) A data item much higher or lower than the bulk.

• The middle value in a data set

• The sum of the data values divided by the number of data items

• The item that occurs with the greatest frequency

• A data item much higher or lower than the bulk.

Fill in the blank: The median is the middle value when a data set is arranged from ____ to greatest.

• highest

• average

• least

• most

What is the mode in a data set?

• A) The sum of the data values

• B) The middle value

• C) The item that occurs with the greatest frequency

• D) A data item much higher or lower than the bulk.

An outlier is: A) A graph that summarizes data B) A data item much higher or lower than the bulk of the data values C) The sum of the data values D) The middle value in a data set.

• A) A graph that summarizes data

• B) A data item much higher or lower than the bulk of the data values

• C) The sum of the data values

• D) The middle value in a data set.

Quartiles are: A) Separations that divide data into four equally sized groups B) The sum of the data values C) A graph that uses a circle to represent data D) A line that shows how sets of numbers are related.

• A) Separations that divide data into four equally sized groups

• B) The sum of the data values

• C) A graph that uses a circle to represent data

• D) A line that shows how sets of numbers are related.