Page 81 - Radiation Safety
P. 81
STATISTICAL CALCULATIONS
• 75, 90, 70, 95, 85
– Mean ( x ):
(75+90+70+95+85)/5 = 415/5 = 83
– Median (middle value):
70, 75, 85, 90, 95 ascending order
Cross number left and right = 85
– Mode:
most frequent = ?
– Standard deviation?
– Error of measurement?
