Measures of Position Quiz 1

It is the gap between the highest score to the lowest score in a grouped data

• Interquartile 

• range

• interval 

• decile

The median score is equal to:

• a. Upper Quartile 

• b. Lower Quartile 

• c. 5^th Decile 

• d. 75^th Percentile

Which of the following formula use to get the location of the upper quartile in ungrouped data.

• A. Q₃ = ¾ (n+1)

• B. Q₁ = 1/4 (n+1)

• C. D₃ = 3/10 (n+1)

• D. D₉ = 9/10 (n+1)

The owner of a coffee shop in Catbalogan City recorded the number of customers who came into his cafe each hour in a day. The results were 14, 10, 12, 9, 17, 5, 8, 9, 14, 10, and 11. What is the value of the lower quartile?

• A. 12     

• B. 9

• C. 5

• D. 14

In a 100-item test, the passing mark is the 3^rd quartile. What does it imply?

• A. the students should answer at least 75 items correctly to pass the test.

• B. the students should answer at least 50 items correctly to pass the test.

• C. the students should answer at most 50 items correctly to pass the test.

• D. the students should answer at most 75 items correctly to pass the test

In a 70-item test, Sharon got a score of 50 which is the 3^rd quartile. This means that:

• A. she got the highest score

• B. her score is higher than 25% of her classmates

• C. she surpassed 75% of her classmates.

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

The 1^st quartile of the ages of 250 grade 10 students of Guinsorongan National High School is 16 years old. Which of the following statement is true?

• A. Most of the students are below 16 years old.

• B. Seventy-five percent of the students are 16 years old and above.

• C. Twenty-five percent of the students are 16 years old.

• D. one hundred fifty students are younger than 16 years.

   

In the set of scores: 14, 17, 10, 22, 19, 24, 8, 12 and 19. The median score is _________.

• A. 17

• B. 16     

• C. 15     

• D. 13

Given the data below, what is the upper quartile of the data using the Mendenhall and Sincich Method?

                    33, 25, 42, 25, 31, 37, 46, 29, 38

• A. 40

• B. 46

• C. 38

• D. 37

David is the 3^rd tallest in the group of 10. It means that 70% of the students are shorter than him. Which of the following measures of position is being illustrated by the given situation?

• A. 3^rd quartile

• B. 7^th Decile

• C. 30^th percentile

• D. 75^th percentile