Data and Statistics Final

What is the 5 number summary?

• 1,2,3,4,5
• Min. Q1. Med. Q3. Max.
• So number 1 went out on a walk at the beginning, but ran into number 2...

How do you find the interquartile range?

• Add Q3 and the max
• Subtract Q1 from Q3 to find the interquartile range.
• Add the max and the min
• Subtract Q2 from Q3 to find the interquartile range

What is the interquartile range (IQR)?
#thinkoutside
theboxplot

• 4
• 64
• 60
• 62

Which is true about histograms?

• They measure numerical data
• They measure categorical data
• They measure nothing useful
• They are boring

How do you find the range?

• By looking at the middle line
• By subtracting Q1 from Q3
• By subtracting the minimum from the maximum
• By asking a teacher to do it for you

How many total students are in the science class?

• 13
• 6
• 27
• 25

What is mode

• The difficulty of a video game
• The most frequent piece of data
• The gear your car is in
• No such thing as mode

Is a histogram the same as a bar graph?

• Yes, because they both use intervals.
• No, because a histogram displays numerical data while a bar graph displays categorical data.
• Yes, because they both use bars to display data.
• No, because a histogram displays categorical data while a bar graph displays numerical data.

How many baseballs were thrown 50 or more feet?

• 5
• 12
• 13
• 8

A florist records the amount of money he spent on gasoline each week to deliver orders. The list shows the data for 16 weeks.
 32, 38, 40, 44, 44, 46, 49, 53, 55, 58, 62, 65, 68, 70, 72, 81
 He put the data in a stem-and-leaf plot. What number did he leave out of the stem-and-leaf plot?
   

• 32
• 44
• 65
• 81