Data Analysis Quiz

The Science activity scores of random Grade 10 students are 13,6,7,8,15,10,11 and 14. Find the value of the first quartile using Mendenhall and Sincich Method .

Using linear interpolation, find the lower quartile of the following scores in Mathematics: 7, 9, 10, 11, 12, 13, 15, 16.

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

• deciles

• percentiles

• quartiles

• probability

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

• median

• 4th Decile

• 30th percentile

• 3rd quartile

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

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

• deciles

• interpolation

• quartile

• percentile

Which on the following percentiles is equal to the third quartile?

• P20

• P25

• P50

• P75

What percentage of the data is equivalent to 6th decile?

• 6%

• 20%

• 40%

• 60%

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

• deciles

• quartiles

• percentiles

• probability

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