A researcher was interested in determining the effect of an experimental drug on the lifespan of laboratory rats. Shown below is a summary of lifespans, in months, for laboratory animals administered the drug. Compute the median number of months the animals survived.
|
Number of months
|
Number of animals surviving
|
|
6
|
10
|
|
5
|
10
|
|
4
|
15
|
|
3
|
25
|
|
2
|
25
|
|
1
|
5
|
|
0
|
10
|