Mathematics Grade 10 summative test

What do you call the data collected in original or raw data form and has not been subdivided into groups?

• array

• frequency distribution

• grouped data

• ungrouped data

It refers to as the 'middle' value of set of data?

• median

• 4th Decile

• 30th percentile

• 3rd quartile

What do you call the nine values that divide the data set into ten equal parts?

• deciles

• quartiles

• percentiles

• probability

Which percentile is equivalent to the first quartile?

• 25th

• 50th

• 75th

• 100th

Which percentile is equivalent to the 5th decile?

• 25th

• 50th

• 75th

• 100th

What do you call to the ninety-nine score points which divide a distribution into one hundred equal parts so that each part represents 1- 100 of the data set?

• deciles

• quartiles

• percentiles

• probability

What is the median of the given numbers 14, 18, 23, 25, 30, 27, 28, 29, 15?

• 30

• 28

• 25

• 13

What do you call the difference between the upper quartile (Q3) and the lower quartile (Q1) in the set of data?

• first quartile range

• interquartile range

• second quartile range

• third quartile range

Which of the following measures of position divides a distribution into four equal parts?

• deciles

• percentiles

• quartiles

• probability

It is another method in finding the quantiles value if the position is a decimal number.

• deciles

• interpolation

• quartile

• percentile