Quartiles of Grouped Data

What does FDT mean?

• Frequency Double Table

• Fast Distribution Table

• Frequency Distribution Total

• Frequency Distribution Table

Quartile divides the data into how many equal parts?

• 4

• 10

• 50

• 100

What is the formula in solving for Q3?

What is the Interpretation of Q2 = 36.5?

• 36% of the data is below 3. 

• 20% of the data is below 36.5 .

•  50% of the data is below 36.5.

• 2% of the data is below 36.5. 

In the data:

12 21 12 14 10 17

21 22 16 16 19 21

13 15 18 12 13 10

What is the Range?

• R = 19 

• R = 12 

• R = 15 

• R = 16 

In the data:

12 21 12 14 10 17

21 22 16 16 19 21

13 15 18 12 13 10

What is the "n"?

• n = 12

• n = 22

• n = 18

• n = 6

In the data:

12 21 12 14 10 17

21 22 16 16 19 21

13 15 18 12 13 10

If CI = 4, what is the CS?

• CS = 4

• CS = 3

• CS = 2

• CS = 1

• 5

• 6

• 7

• 8

• 7.5

• 17.5

• 27.5

• 37.5

What is the title of our lesson today?

• Quartiles of Grouped Data

• Quartiles of Ungrouped Data

• Frequency Distribution Table

• Interpretation