Z-score formula is z=(x-m) / sd
x = data value
m= mean
sd = standard deviation
z= (82-78.2) / 6.7
=0.567
=0.57
Answer:
Pretty sure the answer is c
Step-by-step explanation:
Answer:
Step-by-step explanation:
The anser is d and b that ehaf i think;:::/,/))/(::);