Consider following data set containing one hundred mileage ratings on 100 cars.
a) Display following data in stem-and-leaf plot.
|
EPA Mileage Ratings on 100 Cars
|
|
37.3
|
44.0
|
36.9
|
37.1
|
44.9
|
36.8
|
30.0
|
37.2
|
42.1
|
36.7
|
|
32.7
|
37.3
|
41.2
|
36.6
|
32.9
|
36.5
|
33.2
|
37.4
|
34.5
|
33.6
|
|
40.5
|
36.5
|
37.6
|
33.9
|
40.2
|
36.4
|
35.7
|
37.7
|
40.0
|
34.2
|
|
36.2
|
37.9
|
36.0
|
37.9
|
35.9
|
38.2
|
38.3
|
35.7
|
35.6
|
35.1
|
|
38.5
|
39.0
|
35.5
|
34.8
|
38.6
|
39.4
|
44.3
|
34.4
|
38.8
|
39.7
|
|
36.3
|
36.8
|
31.5
|
36.4
|
40.5
|
36.6
|
36.1
|
38.2
|
38.4
|
39.3
|
|
41.0
|
31.8
|
37.3
|
33.1
|
37.0
|
37.6
|
37.0
|
38.7
|
39.0
|
35.8
|
|
37.0
|
37.2
|
40.7
|
37.4
|
37.1
|
37.8
|
35.9
|
35.6
|
36.7
|
34.5
|
|
37.1
|
40.3
|
36.7
|
37.0
|
33.9
|
34.1
|
38.0
|
35.2
|
34.8
|
39.5
|
|
39.9
|
36.9
|
32.9
|
33.8
|
39.8
|
34.0
|
36.8
|
35.0
|
38.1
|
36.9
|
b) Determine the sample median?