Median and IQR

First step for finding the median is to order the numbers from least to greatest?

• True

• False

Quartiles break the data set into _____ parts each representing about 25% of the data.

• 1

• 2

• 3

• 4

Q1 is the middle of the lower half of the data values.

• True

• False

IQR = Q3 - Q1

• True

• False

What is the RANGE of the following data set?

4, 5, 6, 8, 9, 10, 11

• 5

• 6

• 7

• 8

What is the Q1, Q2, and Q3 of the following data set?

4, 5, 6, 8, 9, 10, 11

• Q1: 4

  Q2: 8

  Q3: 11

• Q1: 5

  Q2: 8

  Q3: 10

• Q1: 4

  Q2: 5

  Q3: 6

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

Find the median for the set of numbers:

23, 37, 11, 58, 13, 45

• 30

• 23

• 37

• 28