Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
Using the following set of data, calculate the lower quartile, the upper quartile, and the interquartile range.
20, 22, 25, 28, 29, 30, 32, 33, 34
Be sure to show your work for finding:
the lower quartile
the upper quartile
the interquartile range
To find the quartiles of the data complete the following steps:
Order the data from least to greatest.
Find the median of the data set and divide the data set into halves.
Find the median of the two halves.
now the numbers:
23.5 is the lower quartile
32.5 that is the upper quartile
9 is the inter quartile range
To find the quartiles of a data set use the following steps:
Order the data from least to greatest.
Find the median of the data set and divide the data set into halves.
Find the median of the two halves.