Mean Median Mode Q1 Q3

If there is an even number of data in the data set how do you find the median?

• order the data and find the middle value

• order the data add the 2 middle values and divide by 2

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

• Q1: 4

  Q2: 8

  Q3: 11

• Q1: 5

  Q2: 8

  Q3: 10

• Q1: 4

  Q2: 5

  Q3: 6

Jeff has four grades from tests and IXL. They are all weighted equally. If Jeff's grades are 100, 96, 96, and 100, what Jeff's current average grade?

• 96

• 97

• 98

• 100

Find the mean:
28, 18, 19, 18, 17

• 20

• 18

• 11

• 19

Find the median:
3, 5, 7, 4, 3, 1

• 3 and 4

• There isn't one

• 3.5

• 3

Find the median for the set of numbers:

85, 42, 64, 71, 39, 56, 26

• 71

• 42

• 56

• 60

What is the mode of the following data set?

5, 7, 7, 8, 12 , 12, 5, 6, 13, 12

• 5

• 7

• 12

• no mode

What is the mode of this data set?

• 10

• 7

• 18

• 9

Find the median, first quartile, third quartile, and interquartile range of the data.

• Median: 189

  First Quartile: 182

  Third Quartile: 203

  IQR: 21

• Median: 189.5

  First Quartile: 182

  Third Quartile: 203

  IQR: 21

• Median: 189

  First Quartile: 182

  Third Quartile: 203.5

  IQR: 21.5

• Median: 189.5

  First Quartile: 182

  Third Quartile: 203.5

  IQR: 21.5

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