Quiz about Q4-Lesson 1: Quartiles of Ungrouped Data

Question 1

The mean is equal to the 2nd quartile.

Accepted Answer

False

Answer

True

Question 2

What is the value in the data set such that 25% of the data are less than this value and 75% of the data set is greater than this value?

Accepted Answer

Lower Quartile

Answer

Upper Quartile

Answer

Lowest Score

Answer

Highest Score

Question 3

In computing for the upper quartile, if U falls halfway between two integers, round __________.

Accepted Answer

Down

Answer

Up

Question 4

The marks obtained by students in a Math class are the following: 25, 8, 37, 16, 45, 40, 29, 12, and 42. What is the lower quartile value?

Accepted Answer

16

Answer

29

Answer

37

Answer

40

Question 5

The marks obtained by students in a Math class are the following: 25, 8, 37, 16, 45, 40, 29, 12, and 42. What is the upper quartile value?

Accepted Answer

40

Answer

16

Answer

29

Answer

37

Question 6

What could be the correct interpretation of the upper quartile value in question number 5?

Accepted Answer

It means that seventy-five percent of the scores are less than or equal to 40.

Answer

It means that seventy-five percent of the scores are less than or equal to 37.

Answer

It means that seventy-five percent of the scores are greater than or equal to 37.

Answer

It means that seventy-five percent of the scores are greater than or equal to 40.

Question 7

Question 7.

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Question 8

Question 8.

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Question 9

The following are the grades of Grade 7 students in their Filipino subject: 86, 75, 90, 83, 87, 78, 94, 91, 97, and 82. What is the median?

Accepted Answer

86.5

Answer

86

Answer

87

Answer

87.5

Question 10

The ___ are values that divides the data set or distribution into four equal parts.

Accepted Answer

Quartiles

Answer

Measures of Position

Q4-Lesson 1: Quartiles of Ungrouped Data