Data & Statistics Review

The distance between the greatest number and the least number in a set of data.

• Mean 
• Median
• Range
• Mode

Summarizes data using a single number.  The single number is found by finding the sum of the data divided by the number of pieces of data.

• Median 
• Range
• Mean
• Mode

The number(s) or items(s) that appear most often in a set of data.

• Median 
• Range
• Mean
• Mode

What is the median?

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

In a box & whisker plot, the lower extreme is the same thing as the maximum.

• true

• false

What is the mode of the dot plot?

• 8
• 9
• 1
• 2

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?

• 193
• 127
• 60
• 66

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

• 4.1
• 6
• 4.5
• 4

Is the following question statistical or non statistical?
How many cars are in the parking lot?

• Statsitical
• Non Statistical

Find the median of these numbers:
4,2,7,4,3

• 2
• 5
• 7
• 4