Quartile of Ungrouped Data By Sir Vinz

What is the formula of Quartile for Ungrouped Data?

•  $Q_{k\ \ }=\ \frac{K}{4\ }\left(n+1\right)$  

•  $Q_{k\ }=\ \frac{K}{10}\left(n+1\right)$  

•  $Q_{k\ }=\ \frac{K}{100}\left(n+1\right)$  

•  $Q_{k\ }=\ \frac{4}{K}\left(n+1\right)$  

How many parts does Quartile have?

• 2

• 3

• 4

• 5

How many position/s does Quartile have?

• 5

• 3

• 4

• 10

Which is the first step in getting the measures of position of ungrouped data?

• Find the middle score/s.

• Arrange the scores in ascending order.

• Locate the position of the score in the distribution.

• Identify the element that corresponds to the obtained position.

What is the lower quartile of the given data 3, 0, 1, 2, 1, 5, 4?

• o

• 1

• 3

• 4

In a survey, 10 students in a grade 10 class were vaccinated with Sinovac. Their ages are the given, 18, 17, 16, 15, 16, 19, 16, 17, 18, 21. What is the age of the vaccinated student who is in the third quartile?

• 16

• 17

• 18

• 19

In your Quarter 3 post-test of 40 items, you got a score of 30 which is the third quartile. What does your score imply?

• You got the highest score.

• You surpassed 75% of your classmates.

• Your score is higher than 25% of your classmates.

• Seventy-five percent of the class did not pass the test.

These are the score points which divides a distribution into four equal parts.

• DECILE

• MEDIAN

• QUARTILES

Find the median of 3, 8, 1, 5, 14, 10 and 4.

• 4

• 5

• 10

In the set of scores 14, 17, 10, 22, 19, 24, 8, 12 and 19, the first quartile is _____.

• 11

• 19

• 24