Quarterly Examination in Mathematics

These are ninety-nine score points that divide a distribution into one hundred equal parts so that each part represents 1/100 of the data set.

• Deciles

• Percentiles

• Quartiles

• Quantiles

Q3 is to 75th percentile as Q2 is to

• 20th percentile

• 25th percentile

• 50th percentile

• 80th percentile

The difference between the upper quartile (Q3) and lower quartile (Q1) is called

• Interquartile Range

• Median

• Middle quartile

• Quartile Deviation

The median score is also the __________.

• 1st quartile

• 2nd quartile

• 3rd quartile

• 4th quartile

When a distribution is divided into four equal parts, each score points that describes the distribution is called a __________.

• quartile

• decile

• percentile

• mean

How many percent are below the third quartile?

• 10%

• 25%

• 50%

• 75%

Deciles are the score points that divide the distribution into how many equal parts?

• Two

• Four

• ten

• hundred

What is the value of Q1 in the sets 44, 21, 59, 64, 74, 57, 69, 38, 40, 27, and 81?

• 27

• 38

• 40

• 44

Find the median in the set of scores: 121, 112, 102, 108, 106, 116

• 106

• 108

• 110

• 116

In the set 13, 11, 10, 12, 14, 9, 11, 8, 11, 7, and 10 the upper quartile is ___

• 11

• 12

• 13

• 14