QUARTILES FOR UNGROUPED DATA

Score points which divide the distribution into 4 equal parts.

• Decile

• Percentile

• Percentile Rank

• Quartile

Which of the following is the other name of the second quartile?

• interquartile range

• lower quartile

• median

• upper quartile

What is the difference between the upper quartile and the lower quartile?

• Interchange

• Interquartile Range

• Quartile

• Range

The owner of a Bulaluhan in Tagaytay City recorded the number of customers who came each hour in a day. The results were 4, 6, 11, 8, 18, 14, 9, 5, 13, 20 and 12. What is the second quartile?

• 6

• 8

• 11

• 14

The owner of a Bulaluhan in Tagaytay City recorded the number of customers who came each hour in a day. The results were 4, 6, 11, 8, 18, 14, 9, 5, 13, 20 and 12. What is the first quartile?

• 6

• 8

• 11

• 14

The owner of a Bulaluhan in Tagaytay City recorded the number of customers who came each hour in a day. The results were 4, 6, 11, 8, 18, 14, 9, 5, 13, 20 and 12. What is the third quartile?

• 6

• 8

• 11

• 14

Find the lower quartile of the following set of scores.

12, 9, 4, 6, 5, 8, 9, 4, 10, 2

• 10

• 4

• 9

• 6

33, 25, 42, 25, 31, 37, 46, 29, 38
What is the third quartile (UQ) of the data?

• 37
• 38
• 40
• 46

Determine the IQR for this set of data.

(Note: Subtract Quartile 3 and Quartile 1).

• 240

• 50

• 40

• 230

The position of the 3rd Quartile in the data 4, 17, 7, 14, 18, 12, 3, 16, 10, 4, 11 is located at

• 6th data

• 7th data

• 8th data

• 9th data