because there are 12 in one layer and there are 3 layers
Answer:
58/100
Step-by-step explanation:
<span>The measure of dispersion that indicates how much scores in a sample vary around the mean of the sample is the standard deviation.</span>
Answer:
69
Step-by-step explanation:
It's 69 because 69 is in the middle of all of this data when it is put in order from least to greatest.