Semi-Finals in Mathematics 10

The following are equal to the median of a data set, EXCEPT:

• 5th decile

• 5th Percentile

• 50th Percentile

• 2nd Quartile

Which of the following does NOT belong to the group?

• 2nd decile

• 5th decile

• 50th percentile

• 2nd decile

The following are the scores of 11 students in their English 20-items Summative Test, what is the correct arrangement of scores in ascending order?

The school canteen vendor recorded the number of customers who came into his stall each hour in a day. The results were: 8, 15, 11, 5, 13, 6, 2, 15, 8, 10 and 4. Find the lower quartile and interpret the result.

To find the position of decile class is Dk = ( kN 10) 𝑡ℎ, what represents N?

It is the less than cumulative frequency of the class before a specified position.

The upper quartile is represented as ______.

• Qk

• Q3

• Q2

• Q1

The measures of position that divide a distribution into several equal parts are also called ______

• Quantiles

• Quartiles

• Deciles

• Percentiles

The quartiles are values which divide a list of ordered numbers into four equal parts. There are three quartiles which are denoted as 𝑄1, 𝑄2,and 𝑄3. If the data are arranged in ascending order, then second quartile 𝑄2, is the ______ of the data set.

• lower quartile

• middle quartile

• upper quartile

• mean

What is the size of the class interval?

• A. 3

• B. 4

• C. 5

• D. 6