Quiz ten

. It is used to describe the position of a data in relation to other data.

• Measure of Position

• Measures of Central Tendency           

• Measures of Variation

• Measure of Relation

Which of the following locates the position of P₄₅?

•   P₄₅ =45/4  (n+1)

• .  P₄₅ = 45/10 (n+1)

• .  P₄₅ =45/100  (n+1)

• .  P₄₅ =  (n+1)

The following are the scores of the 7 students in Math quiz.

                        Fe = 3, Ivy = 6, MJ = 1, Kay = 5, RJ = 2, Rem = 4, Lyn = 8.         

What is the lower quartile?

          

• 1

• 2

• 3

• 4

The following are the scores of the 7 students in Math quiz.

                        Fe = 3, Ivy = 6, MJ = 1, Kay = 5, RJ = 2, Rem = 4, Lyn = 8

Who got the score that correspond to upper quartile?

• Fe

• Rem

• Ivy

• Lyn

Find the 1^st quartile of the set of data:  10, 13, 12, 11, 16, 15, 17, 18, 17, 10, 20

            A. 10                               B. 11                        C. 15                        D. 17

• 10

• 11

• 12

• 13

Find the interquartile range in the set of scores:14, 17, 10, 22. 19, 24, 8, 12 and 19.

            A. 9.5                                           B. 11                        C. 20.5                    D. 24

• 9.5

• 11

• 20.5

• 24

Wella got a score of 55 which is equivalent to 70^th percentile in a Mathematics test.  Which of

            the following is NOT true?

            

          

                     

• She scored above 70% of her classmates.

• Thirty percent of the class got scores of 55 and above.

• If the passing mark is the first quartile, she passed the test.

• Her score is below the 5^th deciles.

Which of the following is not true?

                                                 

• Q_{3 >} D₃      

•   Q₁ < P₂₅    

• P₅₀ = D₅      

• D₅ = Q₂

If you are the fourth tallest in a group of 10 how many students are shorter than you?

• 2

• 4

• 6

• 8

Consider the given scores of 15 students 83, 72, 87, 79, 82, 77, 80, 73, 86, 81, 79, 82, 79, 74,

            74.  The median can be also interpreted as ___________.

           

• seven students scored higher than 79

• seven students scored lower than 79

• seven students scored lower than 79 and 7 students scored higher than 79

• fourteen students scored lower than 79.