Question A
We can use the mean value to compare the spread of each person
Evan =

Luis =

Evan has the greatest spread
Question B
To find the 50% value, which is the median, we need to reorder the data from smallest to highest.
Luis - 85 86 88 89 92 93 94 96 97 105
The median is the value between the fifth and sixth value which is 92.5
Evan - 91 92 97 98 100 101 103 104 105 106
The median is between the fifth and sixth value which is 100.5
Question C
The value of mean and median shows that Luis has a quicker training time in average