Unit 2 Review (pages 115-117)

A question that anticipates and accounts for a variety of answers is a(n) ____________.

• distribution

• median

• statistical question

• mean

A(n) __________ is a value that is much greater than or much less than the other values in a set of data.

• distribution

• outlier

• quartiles

• IQR

The __________ is a measure of center. It is the sum of the numbers in a set of data divided by the number of data values.

• mean

• median

• statistical question

• outlier

The arrangement of data values is called the __________.

• quartiles

• median

• mean

• distribution

The __________ is a measure of center. It is the middle value, or the mean of the two central values, of a numerical data set ordered from least to greatest.

• mean

• median

• quartiles

• IQR

The values that divide a data set into four equal parts are the __________.

• statistical questions

• medians

• quartiles

• outlier

The __________ is a measure of variation in a set of numerical data. It is the distance between the upper and lower quartiles of a data set.

• quartiles

• interquartile range (IQR)

• outlier

• distribution

Yelina kept track of the number of minutes she spent writing each day. She wrote for 60, 30, 45, 90 and 60 minutes. What is the median length of time she spent writing?

The ages of students attending an art class at a local community center are shown in the box plot. Which statements are true?

Groups:

(a) True

,

(b) False

• The lower extreme is 33

• The median is 39.

• The third quartile is 58.

• The upper extreme is 58

• The first quartile is 33

A wire is 517.5 centimeters long. How many 2.25 centimeter long pieces can be cut from the wire?