Measures of Position for Ungrouped Data Quiz

Identify the upper quartile for the given data using Linear Interpolation.

23, 34, 27, 7, 30, 26, 28, 31, 34

• 30.5

• 31.5

• 32.5

• 33.5

The score points which divides the distribution in four equal parts.

• Decile

• Quartile

• Percentile

• Median

Using the Mendenhall and Sincich Method, what is the 3rd quartile of the given data:

9, 11, 8, 9, 9, 14, 6, 5, 3, 16?

• 8

• 9

• 11

• 14

How many percent corresponds Q3 if you will interpret it?

• 25%

• 50%

• 75%

• 90%

The lower quartile is equal to

• 50th percetile

• 25th percentile

• 2nd decile

• 3rd quartile

Which of the following is true about percentiles?

• They are used only for grouped data

• They divide the data into 10 equal parts

• They divide the data into 100 equal parts

• They are the same as quartiles

Identify the upper quartile for the given data using the Mendenhall and Sincich Method.

23, 34, 27, 7, 30, 26, 28, 31, 34

• 28

• 31

• 32.5

• 34

The median score is also the

• 75th percentile

• 5th decile

• 3rd decile

• 1st quartile

What is the purpose of linear interpolation in statistics?

• To find the average of a data set

• To calculate the total of a data set

• To estimate values between two known values

• To classify data into groups

In the context of ungrouped data, what does Q2 represent?

• The first quartile

• The median

• The third quartile

• The average