Review- Statistics

What is the MODE of a data set?

• The middle value
• The number that occurs most frequently
• The average
• The difference between the max and min values

What is the median of the following data set:
1, 3, 4, 4, 5, 6, 7

• 1
• 4
• 5
• 7

Based on the line plot, how many students ate 5 candy bars?

• 4
• 3
• 8
• 0

What does it mean for a graph of data to be SKEWED LEFT?

• Most of the data is grouped to the left side
• Most of the data is grouped to the right side
• Most of the data is in the middle
  (draw a line down the middle and both sides look the same)

What does it mean for a graph of data to be SYMMETRICAL?

• Most of the data is grouped to the left side
• Most of the data is grouped to the right side
• Most of the data is in the middle
  (draw a line down the middle and both sides look the same)

What does it mean for a graph of data to be SKEWED RIGHT?

• Most of the data is grouped to the left side
• Most of the data is grouped to the right side
• Most of the data is in the middle
  (draw a line down the middle and both sides look the same)

Which answer shows categorical data?

• Age
• Height
• Number of cousins
• Favorite singer

Which answer shows numerical data?

• Favorite animal
• Hours of sleep last night
• Hair color
• Elementary school you attended

What is the mode?

• 5

• 6

• 20

• 50

What is the mode?

• 10

• 35

• 45

• No Mode!