Measures of position

What is the size of the class interval?

 

• 10

• 9

• 8

• 7

What is the lower boundary of the 5th decile class?

• 30.5

• 40.5

• 50.5

• 60.5

What cumulative frequency below the 5^th decile class?

• 11

• 21

• 34

• 42

Find the 5th decile.

 

• 44

• 45

• 46

• 47

What is the lower boundary of the 75th percentile class?

• 30.5

• 40.5

• 50.5

• 60.5

What cumulative frequency below the 75^th percentile class?

• 11

• 21

• 34

• 42

The class interval containing the 1st quartile class.

    A. 21 – 30                      C. 41 – 50

    B. 31 – 40                     D. 51 – 60

• 21-30

• 31-40

• 41-50

• 51-60

Calculate the 1st quartile.

  

• 30

• 31

• 32

• 33

How do you interpret the third quartile ?

  

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

• 75% of the students of greater than or equal to 55.

• 75 % of the students of equal to 55.

• 75% of the students of not less than or equal to 55.

In the 2019 National Career Achievement Examination (NCAE), Aimee’s score in the Mathematics Ability Test is at 90^th percentile rank. What does this mean?

• Aimee’s score is 90 points.

• Aimee's scored higher than 89% of the examinees.

• Aimee's is the 90^th in position among all the examinees.

• Aimee's scored higher than the other 90% of the examinees.