Maximal static inspiratory pressure (PImax) is an index of respiratory muscle strength. The following data show the measure of PImax (cm H2O) for 15 cystic ?brosis patients.
|
105
|
80
|
115
|
95
|
100
|
85
|
90
|
70
|
|
135
|
105
|
45
|
115
|
40
|
115
|
95
|
|
(a) Find the lower and upper quartiles, median, and interquartile range. Check for any outliers and interpret.
(b) Construct a box plot and interpret.
(c) Are there any outliers?