The FDA regulates that fish that are consumed should contain no more than 1.0 mg/kg of mercury. In Florida, bass fish were collected in 24 different lakes to measure the amount of mercury in the fish ('Multi-disciplinary niser activity,' 2013). The data for the average amount of mercury in the fish from each lake is in table below.

Average mercury level in a lake
0.49
1.10
0.50
0.86
0.15
0.73
0.25
0.83
0.21
0.28
0.48
1.23
0.05
0.52
0.81
0.27
0.87
0.56
0.16
0.63
0.77
0.17
0.04
0.40

For the data shown above, find the following.

Round answer in the first blank to 3 decimal place(s).

In the second blank put the correct units.

Find the mean:

Find the median:

Find the range:

Find the variance: (mg/kg)^2

Find the standard deviation: