Statistics - Quiz Review

What is the median of: 
8, 10, 10, 14, 16, 18

• 13
• 12 
• 14
• 72

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number
• Add the two numbers in the middle & then divide by two.
• They are both the median
• None of the above

If you want to find out which color MOST students favor, you should use which measure of center?

• Mode

• Median

• Mean

• Range

What is the balance point of this data? (Hint: find the mean!)

• 4

• 5

• 2

• 3

Tags

CCSS.6.SP.B.5C

Which number represents the mode?  8,10,12,14,16,18,20

• 10
• 16
• no mode
• 18

How do you find the Interquartile Range or IQR?

• Q3 - Q1
• Median
• Q1 - Q3
• Maximum - Minimum

Find the Interquartile Range or IQR
2, 3, 6, 6, 8, 10, 12

• 10
• 3
• 7
• 6

Calculate the IQR for each box plot.

• Top Box Plot = 7

  Bottom Box Plot = 3

• Top Box Plot = 3

  Bottom Box Plot = 7

• Top Box Plot = 8

  Bottom Box Plot = 5

• Top Box Plot = 6

  Bottom Box Plot = 4

Which data set the largest median score?

• B

• A

What is the population standard deviation for the data given:
5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 6.89
• 10.1
• 7.26
• 9