The data provided in the below table are test scores of 20 students in a probability and statistics class
|
70
|
77
|
|
74
|
94
|
|
72
|
88
|
|
68
|
80
|
|
58
|
71
|
|
54
|
76
|
|
82
|
88
|
|
64
|
80
|
|
80
|
90
|
|
61
|
69
Determine the sample mean, median and mode
|
Determine the sample range and standard deviation