Big Ideas Chapter 9 Data

Find the mode of these numbers:

4, 3, 6, 4, 3, 6, 6, 3, 2, 1, 3

• 3

• 6

• 4

• 3 and 4

Find the mean of the data 55, 65, 49, 22, 56, 65, 61, 57

• mean: 22

• mean: 56

• mean: 56.5

• mean: 53.75

Find the median of the data 55, 65, 49, 22, 56, 65, 61, 57

• median: 65

• median: 56

• median: 56.5

• median: 53.75

Find the mode of the data 55, 65, 49, 22, 56, 65, 61, 57

• mode: 65

• mode: 56

• mode: 56.5

• mode: None

Information collected about people, events, and objects is ______???

• information

• data

• frequency

• analysis

How many students scored between a 86 and a 90?

• 1

• 3

• 6

• 10

Information collected about people or things, often to draw conclusions about them.  

• Scale

• Data

• Origin

What is the first thing you should do before finding the median?

• Start crossing numbers off

• Put numbers in order from least to greatest

• List the numbers how they are

• Look for repeats

Given a data set: 3, 7, 7, 8, 8, 9, 10, 10, 11, 12. What is the median of this data set?

• 8

• 8.5

• 9

• 9.5

A student recorded the number of books read by classmates. Which method is best for organizing this data?

• Creating a list

• Constructing a histogram

• Writing a paragraph

• Making a pie chart