Mean Median Mode Range Iqr Q1 Q3

When finding the median, what is the FIRST step?

• Mark off the lowest number

• Mark off the highest number

• Find the Middle

• Arrange the number from Least to Greatest

How do you find the Interquartile Range?

• divide the 3rd quartile (Q3) by the 1st quartile

• subtract the biggest number by the smallest number

• divide the biggest number by the smallest number

• subtract the 3rd quartile (Q3) by the 1st quartile (Q1)

Find the Lower Quartile (Q1) of the following numbers:

84, 88, 72, 74, 98, 16, 94

• 72

• 88

• 94

• There is no Lower Quartile.

Find the IQR of the following numbers:
84, 88, 72, 74, 98, 16, 94 

• 78

• 22

• 16

• There is no IQR.

Find the 1st (Q1) , 2nd (Median), and 3rd (Q3) quartile of the data set:

• 1st: 3, 2nd: 6, 3rd: 14

• 1st: 13, 2nd: 5.5, 3rd: 2.5

• 1st: 2.5, 2nd: 5.5, 3rd: 12

• 1st: 14, 2nd: 6, 3rd: 3

What is the IQR of this data set?

• 5

• 6

• 8

• 9

Which of the following is used to describe the distribution of the data?

• Outlier

• Range

• Measures of Variation

• Interquartile Range (IQR)

What is the IQR of the following data set: 4, 5, 6, 8, 9, 10, 11

• 5

• 6

• 7

• There is not enough information

What is the IQR of the following Data Set:

32, 35, 35, 36, 39, 40, 44, 48, 49

• Q1: 35

  Q2: 39

  Q3: 46

  IQR: 46 - 35 = 11

• Q1: 35

  Q2: 39

  Q3: 44

  IQR: 44 - 35 = 9

• Q1: 35

  Q2: 39

  Q3: 48

  IQR: 48 - 35 = 13

• Q1: 35

  Q2: 39

  Q3: 46

  IQR: 39 - 35 = 4

What is the IQR of the following Data Set:

1, 3, 4, 5, 5, 7, 9

• Q1: 3

  Q2: 4

  Q3: 6

  IQR: 6 - 3 = 3

• Q1:3.5

  Q2: 5

  Q3: 8

  IQR: 8 - 3.5 = 4.5

• Q1: 3

  Q2: 5

  Q3: 7

  IQR: 7 - 3 = 4