Quar,Dec,Per Review

LEVEL 1

2

Divides the whole distribution into four equal parts.

quartile

3

Divides the whole distribution into ten equal parts.

decile

4

Divides the whole distribution into one hundred equal parts.

percentile

LEVEL 2

2

2nd quartile, 5th decile and 50th percentile are also called the _________?

Median

3

What is the size of the class interval 10-14?

5

4

Class interval, Frequency, less than cumulative frequency and _____________ are needed to complete the Frequency Distribution Table for grouped data.

Lower boundary

LEVEL 3

2

In the given scores, what is the fifth decile?

2, 3, 3, 5,  8, 9, 10, 11, 11, 14, 18, 18, 19

10

3

Given the class interval 15 - 19, what is the lower boundary?

14.5

4

For grouped data: What is the formula used to find the position of the decile in the frequency distribution table?

kN/10