Qualitative and Quantitative Data

What are observations that are measured or counted called?

• qualitative data

• quantitative data

Observations, like the color or texture of an object, are ________________ observations.

• quantitative
• qualitative
• operational
• scientific

To find the average of a set of numbers, add up all the items and divide by...

• 2
• The minimum
• The maximum
• The number of items

What is the mode?

• # happening the most
• the average
• biggest - smallest
• the middle #

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1
• 6
• 4.5
• 4

What is the mean?

• # happening the most
• the number in the middle
• biggest-smallest
• the average

A data set can have more than one median?

• True
• False
• What's a Median?

What is the median?

• The number in the middle.
• The greatest number - the least number
• The average
• The number that appears most often.

How many students scored more than 80%?

• 10
• 13
• 7
• 15

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number
• Add the two numbers in the middle & then divide by two.
• They are both the median
• None of the above