Comparing Sets of Data Central Tendency

What is the Mode?
  22,7,22,1,7,18,18,16,6,6,7

• 7
• 18
• 21
• 6

What is the Median?
8,13,2,4,48

• 8
• 48
• 2
• 9

What is the Mean?
9, 5, 7

• 8
• 11
• 7
• 6

Carlos had earned test scores of 84 and 77. Jennifer had test scores of 80 and 83. Karen had test scores of 85 and 77. How do the three student’s means rank in order, high to low?

• Carlos, Jennifer, Karen
• Karen, Carlos, Jennifer
• Jennifer, Karen, Carlos
• Jennifer, Carlos, Karen

What is the Median?
34,98,12,45,61

• 98
• 12
• 34
• 45

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

Which is the closest to what most people would call the "average?"

• mean
• median
• mode
• range

Which is the number that appears the MOST often?

• mean
• median
• mode
• range

Rob and Maria were comparing test scores in their math class. Rob had three tests of 82, 85 and 73. Maria has scores of 75, 79 and 86. How do the student’s means compare?

• The means are equal.
• Rob’s mean is one point higher than Maria’s.
• Maria’s mean is one point higher than Rob’s.
• Rob’s mean is two points higher than Maria’s.

True of False:
A data set can have more than one mode

• True
• False