AsterQuiz: interpreting quartiles, deciles and percentiles


AsterQuiz interpreting quartiles, deciles and percentilesOnline version students interpret results of activity by ROSALY RIVERA 1 What does the 50th percentile represent in a dataset? a The mode b The median c The mean 2 The 25th percentile is also known as which quartile? a Q3 (Third quartile) b Q2 (Second quartile) c Q1 (First quartile) 3 Which percentile marks the value below or equal to which 90% of data fall? a 75th percentile b 90th percentile c 10th percentile 4 In the result of an examination given to 50 students, Q3=55. What does this mean? a 25% of the students got score less than or equal to 55. b 75% of the students got score less than or equal to 55. c 50% of the students got score less than or equal to 55. 5 Deciles divide data into how many equal parts? a 10 parts b 100 parts c 4 parts 6 What percentile is the median in a perfectly normal distribution? a 50th percentile b 25th percentile c 75th percentile 7 Which statement best describes quartiles? a They split data into two halves b They measure dispersion only c They split data into four equal parts 8 Which of the following is equivalent to the upper quartile? a 5th decile b 25th percentile c 3rd quartile 9 The first quartile (Q₁) of a group of students' Mathematics scores is 72. What does this mean? a About 25% of the students scored less than or = 72. b Exactly 25 students scored 72. c About 25% of the students scored greater than or = 72 10 A reading assessment shows that Q₃ = 85 words per minute. Interpret this result in the context of the students' reading speed. a About 75% of students have a reading speed exactly 85 words/minute. b About 75% of students have a reading speed of greater than or = 85 words/minute c About 75% of students have a reading speed of less than or = 85 words/minute 11 The second quartile (Q₂) of the monthly allowances of students is ₱800. What does Q₂ tell us about the students' allowances? a About 25% of the students have an allowance of ₱800 or below b About 50% of the students have an allowance of ₱800 or below c About 75% of the students have an allowance of ₱800 or below 12 The sixth decile (D₆) of a Science examination is 78. Which statement best interprets this result? a About 60% of students scored 78 or below b About 40% of students scored 78 or below. c About 60% of students scored greater than or equal to 78 13 The eighth decile (D₈) for the daily screen time of students is 5 hours. Interpret this result. a About 80% of students have a screen time of 5 hours or less. b About 80% of students have a screen time of 5 hours or more. c About 80% of students have a screen time of 14 The third decile (D₃) of the heights of Grade 10 students is 155 cm. What does this imply? a About 30% of students are 155 cm or shorter. b About 30% of students are 155 cm or taller. c About 70% of students are 155 cm or shorter. 15 A student has a running time of 14 minutes, which corresponds to the 25th percentile (P₂₅). What does this imply? a About 75% of students have a running time of 14 minutes or less. b About 25% of students have a running time of 14 minutes or less. c About 25% of students have a running time of 14 minutes or more 16 Maria's Mathematics score is at the 75th percentile, with a score of 88. Interpret Maria's percentile rank. a Maria performed as well as or better than about 25% of the students. b Maria performed as well as or better than about 50% of the students. c Maria performed as well as or better than about 50% of the students. 17 The 90th percentile (P₉₀) of the monthly expenses of families in a community is ₱15,000. What does this mean? a About 90% of families spend ₱15,000 or more. b About 90% of families spend ₱15,000 or less. c About 10% of families spend ₱15,000 or less. 18 which of the following is equivalent to the 2nd quartile? a 5th Decile b 75th Percentile c lower quartile

1

What does the 50th percentile represent in a dataset?

a

The mode

b

The median

c

The mean

2

The 25th percentile is also known as which quartile?

a

Q3 (Third quartile)

b

Q2 (Second quartile)

c

Q1 (First quartile)

3

Which percentile marks the value below or equal to which 90% of data fall?

a

75th percentile

b

90th percentile

c

10th percentile

4

In the result of an examination given to 50 students, Q3=55. What does this mean?

a

25% of the students got score less than or equal to 55.

b

75% of the students got score less than or equal to 55.

c

50% of the students got score less than or equal to 55.

5

Deciles divide data into how many equal parts?

a

10 parts

b

100 parts

c

4 parts

6

What percentile is the median in a perfectly normal distribution?

a

50th percentile

b

25th percentile

c

75th percentile

7

Which statement best describes quartiles?

a

They split data into two halves

b

They measure dispersion only

c

They split data into four equal parts

8

Which of the following is equivalent to the upper quartile?

a

5th decile

b

25th percentile

c

3rd quartile

9

The first quartile (Q₁) of a group of students' Mathematics scores is 72. What does this mean?

a

About 25% of the students scored less than or = 72.

b

Exactly 25 students scored 72.

c

About 25% of the students scored greater than or = 72

10

A reading assessment shows that Q₃ = 85 words per minute. Interpret this result in the context of the students' reading speed.

a

About 75% of students have a reading speed exactly 85 words/minute.

b

About 75% of students have a reading speed of greater than or = 85 words/minute

c

About 75% of students have a reading speed of less than or = 85 words/minute

11

The second quartile (Q₂) of the monthly allowances of students is ₱800. What does Q₂ tell us about the students' allowances?

a

About 25% of the students have an allowance of ₱800 or below

b

About 50% of the students have an allowance of ₱800 or below

c

About 75% of the students have an allowance of ₱800 or below

12

The sixth decile (D₆) of a Science examination is 78. Which statement best interprets this result?

a

About 60% of students scored 78 or below

b

About 40% of students scored 78 or below.

c

About 60% of students scored greater than or equal to 78

13

The eighth decile (D₈) for the daily screen time of students is 5 hours. Interpret this result.

a

About 80% of students have a screen time of 5 hours or less.

b

About 80% of students have a screen time of 5 hours or more.

c

About 80% of students have a screen time of

14

The third decile (D₃) of the heights of Grade 10 students is 155 cm. What does this imply?

a

About 30% of students are 155 cm or shorter.

b

About 30% of students are 155 cm or taller.

c

About 70% of students are 155 cm or shorter.

15

A student has a running time of 14 minutes, which corresponds to the 25th percentile (P₂₅). What does this imply?

a

About 75% of students have a running time of 14 minutes or less.

b

About 25% of students have a running time of 14 minutes or less.

c

About 25% of students have a running time of 14 minutes or more

16

Maria's Mathematics score is at the 75th percentile, with a score of 88. Interpret Maria's percentile rank.

a

Maria performed as well as or better than about 25% of the students.

b

Maria performed as well as or better than about 50% of the students.

c

Maria performed as well as or better than about 50% of the students.

17

The 90th percentile (P₉₀) of the monthly expenses of families in a community is ₱15,000. What does this mean?

a

About 90% of families spend ₱15,000 or more.

b

About 90% of families spend ₱15,000 or less.

c

About 10% of families spend ₱15,000 or less.

18

which of the following is equivalent to the 2nd quartile?

a

5th Decile

b

75th Percentile

c

lower quartile

You can integrate the game into an LMS compatible with LTI 1.1 or LTI 1.3 such as Canvas, Moodle, or Blackboard. This way, the scores will be automatically saved into the platform’s gradebook.

interpreting quartiles, deciles and percentiles

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