MATH 10 REVIEWER

The median score of a data distribution is also the ______.

• 75^th percentile

• 5^th decile

• 3^rd decile

• 1^st quartile

When a distribution is divided into hundred equal parts, each score point that describes the distribution is called a _______.

• Quartile

• Decile

• Percentile

• Median

The lower quartile is equal to the _____________.

• 50th Percentile

• 25th Percentile

• 2nd Decile

• 3rd Quartile

The difference between the 3^rd quartile and the 1st quartile is called

• Inter-Quartile Range

• Median

• Mode

• Interval

It is a score point in a distribution that is divided into ten equal parts.

• Quartile

• Decile

• Percentile

• Median

A data distribution has a lower quartile of 33 and upper quartile of 49. The interquartile range of the data distribution would be _____________.

• 82

• 33

• 49

• 16

In a 70-item test, Mark scored 50 which is the third quartile. This means that ___.

• he got the highest score.

• his score is higher than 25% of his classmates.

•   he surpassed 75% of his classmates.

• Seventy-five percent of the class did not pass the test

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

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

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

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

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

In a group of examinees taking the 50-item test, Michelle obtained a score of 38. This implies that her score _________.

• below the 50^th percentile

• the 55^th percentile

• below the 3^rd quartile

• at the upper quartile

The 1^st quartile of the ages of 250 Grade 10 learners is 16 years old. Which of the following statements is true?

• Most of the students are below 16 years old.

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

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

• One hundred fifty students are younger than 16 years.