A show the hourly earnings (in dollars) of a sample of 25 railroad equipment manufacturers. Use technology to answer parts (a) and (b). 15.60
18.75
14.60
15.85
14.40
13.95
17.55
17.60
13.85
14.25
19.00
15.35
15.20
19.45
16.00
16.55
16.35
15.20
15.10
19.15
15.25
16.25
17.75
18.45
15.20