What is the lower and higher quartile for?
Here are 14 best answers to ‘What is the lower and higher quartile for?’  the most relevant comments and solutions are submitted by users of ChaCha, Wiki.answers.com and Yahoo! Answers.
Best solution

What is the zscore of the lower quartile?
Answer:
To find the zscore of the lower quartile, you use the zscore you find off the ztable. For example...
Other solutions

What is the lower quartile for the fallowing data set 6, 12, 14, 17, 20, 22, 26, 30?
Answer:
The lower quartile for the data set (6, 12, 14, 17, 20, 22, 26, 30) is the number 13. The lower quartile...

If the? Inter quartile range of a data set is 16 unites and the lower quartile is 38 and there are no outliers, what i the minimum value of the lower extreme
Answer:
Quartiles: Lower quartile = median of lower 25 values => 13th value, . Mean most useful for symmetric...

What is the Formula for calculating lower quartile on excel?
Answer:
.25 * The Number of items in the list plus 1 equals the Item Number that is the lower quartile.

What is the lower quartile in this set of data.... 109,111,112,112,114,119
Answer:
677/6 = Decimal: 112.83333 677/6 = Fractional: 112 5/6

What is the difference between the upper quartile and the lower quartile called?
Answer:
Interquartile Range, or IQR

What is the lower first quartile value of the following data set? 45, 52, 39, 40, 53, 38, 51, 49, 47, 44?
Answer:
The lower Q value is the median of the lower 1/2 of the data. The upper Q value is the median of the...

What is the upper quartile, and what is the lower quartile between numbers 49,45,55,32,28,53,26,38,35,35,51?
Answer:
In the set (49,45,55,32,28,53,26,38,35,35,51), the upper quartile or 75th percentile is 50.5, or 50...

What are extremes, upper quartile, lower quartile, and the right whisker?
Answer:
the extremes are the max and minimum values, the upper quartile is the half of the upper half and the...

What do you do if your lower quartile and upper quartile are the same in a box and whisker plot?
Answer:
I didn't understand a word of that. You may as well have asked for a flapjack tickler to flap up plastic...