Statistics Vocabulary

the interquartile range is ___

• max minus upper quartile

• upper quartile minus lower quartile

• max minus min

• lower quartile minus min

To find the median by looking at the data, you should ___

• find the middle number

• put the numbers in order from least to greatest first

• find out how many repeat

• subtract the first and last number

If you have an outlier, the _____ is used to describe the data.

• mean

• median

• mode

What is the term for the median of the upper half of the data?

• Upper Quartile

• Lower Quartile

• Median

• Minimum

The FIRST and MOST IMPORTANT step when answering questions about numerical data is to....

• Put the numbers in order from LEAST to GREATEST

• Put the numbers in order from GREATEST to LEAST

• Get rid of the even numbers

• Get rid of the odd numbers

When a distribution has the same shape on both sides of a middle point, it is considered

• even

• equivalent

• aesthetic

• symmetrical

If there is not an outlier, the _____ is used to describe the data.

• mean

• median

• mode

What is a box and whisker plot?

• A diagram that summarizes data us-ing median, upper quartile and lower quartile, and extreme values (maximum and minimum)

• A diagram that summarizes data us-ing mode, upper quartile and lower quartile, and extreme values (maximum and minimum)

• A diagram that summarizes data us-ing mean, upper quartile and lower quartile, and extreme values (maximum and minimum)

• A diagram that summarizes data us-ing median and extreme values (maximum and minimum) only

What is a Histogram?

• A way of displaying data using images that indicates frequency

• A way of displaying historical events using verti-cal or horizontal bars.

• A way of displaying data using verti-cal or horizontal bars that indicates frequency

• A way of displaying historical data on instagram that indicates frequency

What is Interquartile Range (IQR)?

• The difference between the maximum and the minimum

• The difference between the upper quartile and the lower quartile (first and third quartiles)