Long Test-Measures of Position of Ungrouped Data

What measure divides the data set into four equal parts?

• Percentile

• Decile

• Quartile

• Median

Which measure divides the distribution into ten equal parts?

• Decile

• Percentile

• Quartile

• Median

The first quartile of a data set is equal to which percentile?

• 75th percentile

• 50th percentile

• 25th percentile

• 10th percentile

What is the median of the data set 6, 8, 11, 25, 15, 10, 2, 8, 16?

• 8

• 10

• 15

• 11

Using Tukey’s Method, what is the first quartile of the values: 12, 15, 22, 23, 34, 8, 19, 17, 18?

• 12

• 12.5

• 15

• 13.5

In the 2019 National Career Achievement Examination, what does it mean if a score is at the 90th percentile?

• The score is 90 points

• The score is higher than 89% of examinees

• The score is the 90th in position

• The score is higher than 90% of examinees

What is the fifth decile of the number of Facebook users in millions: 25, 27, 28, 30, 30, 32, 35, 37, 37, 38, 38, 42, 50, 64, 76, 89, 130, 140, 190, 290?

• 38.5 million

• 40 million

• 37 million

• 38 million

Which country has a greater number of Facebook users compared to the country in the 40th percentile?

• Turkey

• Colombia

• Bangladesh

• United Kingdom

What does it mean if the average annual income of families in a region is at the 75th percentile?

• Families earn less than 75% of regions

• Families earn more than 75% of regions

• Families earn exactly 75% of regions

• Families earn the highest income

James is analyzing the number of Facebook users in his research project. He wants to find out what the 80th percentile of the number of Facebook users is.

• 76 million

• 89 million

• 130 million

• 140 million