MEASURES OF POSITION FOR GROUPED DATA

Front

What is the measure of position that divides an arranged data set into 100 equal parts?

Back

Percentiles

Front

If the first quartile of the given data is 20, what does it mean?

Back

This means that 25% of the students scored lower or equal to 20.

Front

How to obtain the value of lower boundary (Lb) of each class interval? (Note: UM - Upper Limit, LM- Lower Limit)

Back

Lb = LM - 0.5

Front

If the lower quartile is in the 5th position, in what class does the value of the lower quartile belong?

Back

2nd class

Front

Which of the following measures does not belong to the group: second quartile, fifth decile, first quartile?

Back

First quartile

Front

What is the definition of a quartile?

Back

A quartile is a type of quantile that divides a data set into four equal parts.

Front

What is the difference between the first quartile (Q1) and the third quartile (Q3)?

Back

The interquartile range (IQR) is the difference between Q3 and Q1, representing the middle 50% of the data.

Front

What does the second quartile (Q2) represent in a data set?

Back

The second quartile (Q2) is the median, which divides the data set into two equal halves.

Front

How do you calculate the upper boundary (Ub) of each class interval?

Back

Ub = LM + 0.5

Front

What is a decile?

Back

A decile is a measure of position that divides a data set into ten equal parts.