Statistics Unit 2 Review

What is the mode in the following data set? 4, 2, 2, 6, 7, 6, 5, 3, 1, 2, 4

• 6

• 2

• 4

• 7

What is the median in the following data set? (Hint: You must re-order the numbers). 4, 2, 2, 6, 7, 6, 5, 3, 1, 2, 4

• 4

• 6

• 2

• 7

What is the range of the following data set?

4, 2, 2, 6, 7, 6, 5, 3, 1, 2, 4

• 4

• 6

• 2

• 7

What is another word for the "mean" of a data set?

• The middle

• The difference

• The interquartile range

• The average

What is the mean in the following data set? 4, 2, 2, 6, 7, 6, 5, 3, 1, 2, 4

• 3.64

• 4

• 4.09

• 3.82

What is the Q1 in the following data set? 10, 10, 12, 13, 14, 14, 14, 17, 20

• 11

• 10

• 12

• 14

What is the Q3 in the following data set? 10, 10, 12, 13, 14, 14, 14, 17, 20

• 11

• 10

• 12

• 14

What is the IQR in the following data set? 10, 10, 12, 13, 14, 14, 14, 17, 20

• 11

• 3

• 4

• 25

What is the IQR?

• The product of Q1 and Q3

• The quotient of Q3 and Q1

• The difference between Q3 and Q1

• The sum of Q1 and Q3

If I tell you that you scored at the 55th percentile on your final exam, you would know:

• 55% of the class scored the same or worse than you did

• You earned a 55% on the exam

• You failed the exam

• 45% of the class scored worse than you did