Statistics Quiz

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode:
12, 10, 10, 10, 13, 12, 11, 13, 10

• 13
• 12
• 11
• 10

What is the mean?

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

What is the median?

• biggest- smallest
• average
• the middle #
• # that happens the most

What is the range of the set: 49, 68, 62, 47, 39, 54, 43

• 25
• 29
• 31
• 19

Q2 or Quartile 2, can be also known as the what? 

• Range
• Mean
• Mode
• Median 

What is the maximum for this set of data?

• 8
• 9
• 7
• I cannot tell

Inside "the box", what percent of our data is there? 

• 75%
• 25%
• 100%
• 50%

On a box and whisker plot, how do you find the 3rd Quartile (Q3)?

• Find the median
• Find the median of the LOWER HALF
• Find the median of the UPPER HALF
• Add all numbers and divide by 3

What is the median of this stem and leaf plot? 

• 148
• 146
• 147
• 149

What is the mean of this Stem and Leaf Plot?

• 22.75
• 22
• 21
• 26