Use the magnitudes ​ (Richter scale) of the 120 earthquakes listed in the accompanying data table. Use technology to find the ​ range, variance, and standard deviation. If another ​ value, 8.00, i s...

Use the magnitudes​

(Richter
scale) of the



120



earthquakes listed in the accompanying data table. Use technology to find the​

range,
variance, and standard deviation. If another​

value,





8.00, i


s added to those listed in the data​

set,
do the measures of variation change
much?

3.27
2.45
2.54
2.43
2.75
2.37
2.19
2.42
1.91
1.43
2.85
1.73
1.99
2.32
2.33
2.70
4.74
2.87
3.38
2.72
2.83
3.42
3.95
2.99
3.87
3.47
3.08
2.94
2.70
3.60
2.84
2.37
3.03
3.23
2.59
3.64
3.24
2.66
2.35
2.43
2.81
3.95
2.52
2.92
2.98
3.41
2.27
2.56
2.93
3.16
2.20
1.15
1.93
4.00
2.54
2.83
2.35
2.31
1.52
2.80
1.95
1.60
2.45
2.33
2.08
1.55
3.20
1.49
1.81
2.55
1.66
2.35
2.45
2.08
2.19
2.75
2.00
2.79
2.39
2.67
1.69
2.88
1.84
1.99
1.86
2.56
1.97
2.18
3.67
1.55
3.16
2.46
1.88
1.50
2.79
3.28
3.82
2.75
2.45
2.71
2.54
1.64
2.18
3.03
2.36
1.48
1.92
2.32
2.65
1.41
1.39
1.80
2.24
2.30
2.48
1.73
2.40
2.44
2.48
2.44